7821282378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1\times {\mathrm{1039}}^1$

素因数の和:1892

約数の個数: 128

約数和(自身を含む): 20429660160

約数和(自身を除く): 12608377782

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 811, 1039, 1326, 1547, 1622, 2078, 2433, 3094, 3117, 4641, 4866, 5677, 6234, 7273, 9282, 10543, 11354, 13507, 13787, 14546, 17031, 17663, 21086, 21819, 27014, 27574, 31629, 34062, 35326, 40521, 41361, 43638, 52989, 63258, 73801, 81042, 82722, 94549, 96509, 105978, 123641, 147602, 179231, 189098, 193018, 221403, 229619, 247282, 283647, 289527, 358462, 370923, 442806, 459238, 537693, 567294, 579054, 688857, 741846, 842629, 1075386, 1254617, 1377714, 1607333, 1685258, 2509234, 2527887, 3214666, 3763851, 4821999, 5055774, 5898403, 7527702, 9643998, 10954177, 11796806, 14324693, 17695209, 21908354, 28649386, 32862531, 35390418, 42974079, 65725062, 76679239, 85948158, 100272851, 153358478, 186221009, 200545702, 230037717, 300818553, 372442018, 460075434, 558663027, 601637106, 1117326054, 1303547063, 2607094126, 3910641189, 7821282378]

約数ペア:

[(1, 7821282378), (2, 3910641189), (3, 2607094126), (6, 1303547063), (7, 1117326054), (13, 601637106), (14, 558663027), (17, 460075434), (21, 372442018), (26, 300818553), (34, 230037717), (39, 200545702), (42, 186221009), (51, 153358478), (78, 100272851), (91, 85948158), (102, 76679239), (119, 65725062), (182, 42974079), (221, 35390418), (238, 32862531), (273, 28649386), (357, 21908354), (442, 17695209), (546, 14324693), (663, 11796806), (714, 10954177), (811, 9643998), (1039, 7527702), (1326, 5898403), (1547, 5055774), (1622, 4821999), (2078, 3763851), (2433, 3214666), (3094, 2527887), (3117, 2509234), (4641, 1685258), (4866, 1607333), (5677, 1377714), (6234, 1254617), (7273, 1075386), (9282, 842629), (10543, 741846), (11354, 688857), (13507, 579054), (13787, 567294), (14546, 537693), (17031, 459238), (17663, 442806), (21086, 370923), (21819, 358462), (27014, 289527), (27574, 283647), (31629, 247282), (34062, 229619), (35326, 221403), (40521, 193018), (41361, 189098), (43638, 179231), (52989, 147602), (63258, 123641), (73801, 105978), (81042, 96509), (82722, 94549)]