13305881225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 22028304384

約数和(自身を除く): 8722423159

約数列:

[1, 5, 7, 13, 23, 25, 31, 35, 65, 91, 115, 155, 161, 169, 175, 217, 299, 325, 403, 455, 575, 631, 713, 775, 805, 845, 1085, 1183, 1495, 2015, 2093, 2275, 2821, 3155, 3565, 3887, 4025, 4225, 4417, 4991, 5239, 5425, 5915, 7475, 8203, 9269, 10075, 10465, 14105, 14513, 15775, 17825, 19435, 19561, 22085, 24955, 26195, 27209, 29575, 36673, 41015, 46345, 52325, 57421, 64883, 70525, 72565, 97175, 97805, 101591, 106639, 110425, 120497, 124775, 130975, 136045, 136927, 183365, 188669, 205075, 231725, 254293, 287105, 324415, 362825, 449903, 489025, 507955, 533195, 602485, 680225, 684635, 746473, 843479, 916825, 943345, 1271465, 1320683, 1435525, 1622075, 1780051, 2249515, 2452697, 2539775, 2665975, 3012425, 3149321, 3305809, 3423175, 3732365, 4217395, 4716725, 5848739, 6357325, 6603415, 8900255, 11247575, 12263485, 15746605, 16529045, 17168879, 18661825, 21086975, 23140663, 29243695, 33017075, 40941173, 44501275, 61317425, 76033607, 78733025, 82645225, 85844395, 115703315, 146218475, 204705865, 380168035, 429221975, 532235249, 578516575, 1023529325, 1900840175, 2661176245, 13305881225]

約数ペア:

[(1, 13305881225), (5, 2661176245), (7, 1900840175), (13, 1023529325), (23, 578516575), (25, 532235249), (31, 429221975), (35, 380168035), (65, 204705865), (91, 146218475), (115, 115703315), (155, 85844395), (161, 82645225), (169, 78733025), (175, 76033607), (217, 61317425), (299, 44501275), (325, 40941173), (403, 33017075), (455, 29243695), (575, 23140663), (631, 21086975), (713, 18661825), (775, 17168879), (805, 16529045), (845, 15746605), (1085, 12263485), (1183, 11247575), (1495, 8900255), (2015, 6603415), (2093, 6357325), (2275, 5848739), (2821, 4716725), (3155, 4217395), (3565, 3732365), (3887, 3423175), (4025, 3305809), (4225, 3149321), (4417, 3012425), (4991, 2665975), (5239, 2539775), (5425, 2452697), (5915, 2249515), (7475, 1780051), (8203, 1622075), (9269, 1435525), (10075, 1320683), (10465, 1271465), (14105, 943345), (14513, 916825), (15775, 843479), (17825, 746473), (19435, 684635), (19561, 680225), (22085, 602485), (24955, 533195), (26195, 507955), (27209, 489025), (29575, 449903), (36673, 362825), (41015, 324415), (46345, 287105), (52325, 254293), (57421, 231725), (64883, 205075), (70525, 188669), (72565, 183365), (97175, 136927), (97805, 136045), (101591, 130975), (106639, 124775), (110425, 120497)]