78690178

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 146820600

約数和(自身を除く): 68130422

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 149, 238, 298, 317, 634, 833, 1043, 1666, 2086, 2219, 2533, 4438, 5066, 5389, 7301, 10778, 14602, 15533, 17731, 31066, 35462, 37723, 47233, 75446, 94466, 124117, 248234, 264061, 330631, 528122, 661262, 802961, 1605922, 2314417, 4628834, 5620727, 11241454, 39345089, 78690178]

約数ペア:

[(1, 78690178), (2, 39345089), (7, 11241454), (14, 5620727), (17, 4628834), (34, 2314417), (49, 1605922), (98, 802961), (119, 661262), (149, 528122), (238, 330631), (298, 264061), (317, 248234), (634, 124117), (833, 94466), (1043, 75446), (1666, 47233), (2086, 37723), (2219, 35462), (2533, 31066), (4438, 17731), (5066, 15533), (5389, 14602), (7301, 10778)]