78396890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{751}}^1$

素因数の和:855

約数の個数: 64

約数和(自身を含む): 168279552

約数和(自身を除く): 89882662

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 73, 110, 130, 143, 146, 286, 365, 715, 730, 751, 803, 949, 1430, 1502, 1606, 1898, 3755, 4015, 4745, 7510, 8030, 8261, 9490, 9763, 10439, 16522, 19526, 20878, 41305, 48815, 52195, 54823, 82610, 97630, 104390, 107393, 109646, 214786, 274115, 536965, 548230, 603053, 712699, 1073930, 1206106, 1425398, 3015265, 3563495, 6030530, 7126990, 7839689, 15679378, 39198445, 78396890]

約数ペア:

[(1, 78396890), (2, 39198445), (5, 15679378), (10, 7839689), (11, 7126990), (13, 6030530), (22, 3563495), (26, 3015265), (55, 1425398), (65, 1206106), (73, 1073930), (110, 712699), (130, 603053), (143, 548230), (146, 536965), (286, 274115), (365, 214786), (715, 109646), (730, 107393), (751, 104390), (803, 97630), (949, 82610), (1430, 54823), (1502, 52195), (1606, 48815), (1898, 41305), (3755, 20878), (4015, 19526), (4745, 16522), (7510, 10439), (8030, 9763), (8261, 9490)]