12877471490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{43889}}^1$

素因数の和:44007

約数の個数: 64

約数和(自身を含む): 26058019680

約数和(自身を除く): 13180548190

約数列:

[1, 2, 5, 10, 13, 26, 37, 61, 65, 74, 122, 130, 185, 305, 370, 481, 610, 793, 962, 1586, 2257, 2405, 3965, 4514, 4810, 7930, 11285, 22570, 29341, 43889, 58682, 87778, 146705, 219445, 293410, 438890, 570557, 1141114, 1623893, 2677229, 2852785, 3247786, 5354458, 5705570, 8119465, 13386145, 16238930, 21110609, 26772290, 34803977, 42221218, 69607954, 99057473, 105553045, 174019885, 198114946, 211106090, 348039770, 495287365, 990574730, 1287747149, 2575494298, 6438735745, 12877471490]

約数ペア:

[(1, 12877471490), (2, 6438735745), (5, 2575494298), (10, 1287747149), (13, 990574730), (26, 495287365), (37, 348039770), (61, 211106090), (65, 198114946), (74, 174019885), (122, 105553045), (130, 99057473), (185, 69607954), (305, 42221218), (370, 34803977), (481, 26772290), (610, 21110609), (793, 16238930), (962, 13386145), (1586, 8119465), (2257, 5705570), (2405, 5354458), (3965, 3247786), (4514, 2852785), (4810, 2677229), (7930, 1623893), (11285, 1141114), (22570, 570557), (29341, 438890), (43889, 293410), (58682, 219445), (87778, 146705)]