77903930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1551

約数の個数: 48

約数和(自身を含む): 156847104

約数和(自身を除く): 78943174

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1487, 1690, 2015, 2974, 4030, 5239, 7435, 10478, 14870, 19331, 26195, 38662, 46097, 52390, 92194, 96655, 193310, 230485, 251303, 460970, 502606, 599261, 1198522, 1256515, 2513030, 2996305, 5992610, 7790393, 15580786, 38951965, 77903930]

約数ペア:

[(1, 77903930), (2, 38951965), (5, 15580786), (10, 7790393), (13, 5992610), (26, 2996305), (31, 2513030), (62, 1256515), (65, 1198522), (130, 599261), (155, 502606), (169, 460970), (310, 251303), (338, 230485), (403, 193310), (806, 96655), (845, 92194), (1487, 52390), (1690, 46097), (2015, 38662), (2974, 26195), (4030, 19331), (5239, 14870), (7435, 10478)]