65604370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 133668864

約数和(自身を除く): 68064494

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 73, 130, 146, 155, 223, 310, 365, 403, 446, 730, 806, 949, 1115, 1898, 2015, 2230, 2263, 2899, 4030, 4526, 4745, 5798, 6913, 9490, 11315, 13826, 14495, 16279, 22630, 28990, 29419, 32558, 34565, 58838, 69130, 81395, 89869, 147095, 162790, 179738, 211627, 294190, 423254, 449345, 504649, 898690, 1009298, 1058135, 2116270, 2523245, 5046490, 6560437, 13120874, 32802185, 65604370]

約数ペア:

[(1, 65604370), (2, 32802185), (5, 13120874), (10, 6560437), (13, 5046490), (26, 2523245), (31, 2116270), (62, 1058135), (65, 1009298), (73, 898690), (130, 504649), (146, 449345), (155, 423254), (223, 294190), (310, 211627), (365, 179738), (403, 162790), (446, 147095), (730, 89869), (806, 81395), (949, 69130), (1115, 58838), (1898, 34565), (2015, 32558), (2230, 29419), (2263, 28990), (2899, 22630), (4030, 16279), (4526, 14495), (4745, 13826), (5798, 11315), (6913, 9490)]