42661619

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 21205261

約数列:

[1, 7, 11, 13, 17, 23, 77, 91, 109, 119, 143, 161, 187, 221, 253, 299, 391, 763, 1001, 1199, 1309, 1417, 1547, 1771, 1853, 2093, 2431, 2507, 2737, 3289, 4301, 5083, 8393, 9919, 12971, 15587, 17017, 17549, 20383, 23023, 24089, 27577, 30107, 32591, 35581, 42619, 55913, 109109, 142681, 168623, 193039, 228137, 264979, 298333, 358501, 391391, 468809, 554047, 1854853, 2509507, 3281663, 3878329, 6094517, 42661619]

約数ペア:

[(1, 42661619), (7, 6094517), (11, 3878329), (13, 3281663), (17, 2509507), (23, 1854853), (77, 554047), (91, 468809), (109, 391391), (119, 358501), (143, 298333), (161, 264979), (187, 228137), (221, 193039), (253, 168623), (299, 142681), (391, 109109), (763, 55913), (1001, 42619), (1199, 35581), (1309, 32591), (1417, 30107), (1547, 27577), (1771, 24089), (1853, 23023), (2093, 20383), (2431, 17549), (2507, 17017), (2737, 15587), (3289, 12971), (4301, 9919), (5083, 8393)]