16404927175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 26258819328

約数和(自身を除く): 9853892153

約数列:

[1, 5, 7, 13, 25, 35, 41, 65, 83, 91, 163, 169, 175, 205, 287, 325, 415, 455, 533, 581, 815, 845, 1025, 1079, 1141, 1183, 1435, 2075, 2119, 2275, 2665, 2905, 3403, 3731, 4075, 4225, 5395, 5705, 5915, 6683, 6929, 7175, 7553, 10595, 13325, 13529, 14027, 14525, 14833, 17015, 18655, 23821, 26975, 27547, 28525, 29575, 33415, 34645, 37765, 44239, 46781, 48503, 52975, 67645, 70135, 74165, 85075, 86879, 93275, 94703, 98189, 119105, 137735, 167075, 173225, 175877, 188825, 192829, 221195, 233905, 242515, 309673, 338225, 350675, 370825, 434395, 473515, 490945, 554689, 575107, 595525, 608153, 688675, 879385, 964145, 1105975, 1129427, 1169525, 1212575, 1231139, 1548365, 2171975, 2286401, 2367575, 2454725, 2773445, 2875535, 3040765, 3882823, 4025749, 4396925, 4820725, 5647135, 6155695, 7210957, 7741825, 7905989, 11432005, 13867225, 14377675, 15203825, 16004807, 19414115, 20128745, 28235675, 30778475, 36054785, 39529945, 50476699, 57160025, 80024035, 93742441, 97070575, 100643725, 180273925, 197649725, 252383495, 400120175, 468712205, 656197087, 1261917475, 2343561025, 3280985435, 16404927175]

約数ペア:

[(1, 16404927175), (5, 3280985435), (7, 2343561025), (13, 1261917475), (25, 656197087), (35, 468712205), (41, 400120175), (65, 252383495), (83, 197649725), (91, 180273925), (163, 100643725), (169, 97070575), (175, 93742441), (205, 80024035), (287, 57160025), (325, 50476699), (415, 39529945), (455, 36054785), (533, 30778475), (581, 28235675), (815, 20128745), (845, 19414115), (1025, 16004807), (1079, 15203825), (1141, 14377675), (1183, 13867225), (1435, 11432005), (2075, 7905989), (2119, 7741825), (2275, 7210957), (2665, 6155695), (2905, 5647135), (3403, 4820725), (3731, 4396925), (4075, 4025749), (4225, 3882823), (5395, 3040765), (5705, 2875535), (5915, 2773445), (6683, 2454725), (6929, 2367575), (7175, 2286401), (7553, 2171975), (10595, 1548365), (13325, 1231139), (13529, 1212575), (14027, 1169525), (14525, 1129427), (14833, 1105975), (17015, 964145), (18655, 879385), (23821, 688675), (26975, 608153), (27547, 595525), (28525, 575107), (29575, 554689), (33415, 490945), (34645, 473515), (37765, 434395), (44239, 370825), (46781, 350675), (48503, 338225), (52975, 309673), (67645, 242515), (70135, 233905), (74165, 221195), (85075, 192829), (86879, 188825), (93275, 175877), (94703, 173225), (98189, 167075), (119105, 137735)]