26155690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 55427328

約数和(自身を除く): 29271638

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 71, 85, 110, 142, 170, 187, 197, 355, 374, 394, 710, 781, 935, 985, 1207, 1562, 1870, 1970, 2167, 2414, 3349, 3905, 4334, 6035, 6698, 7810, 10835, 12070, 13277, 13987, 16745, 21670, 26554, 27974, 33490, 36839, 66385, 69935, 73678, 132770, 139870, 153857, 184195, 237779, 307714, 368390, 475558, 769285, 1188895, 1538570, 2377790, 2615569, 5231138, 13077845, 26155690]

約数ペア:

[(1, 26155690), (2, 13077845), (5, 5231138), (10, 2615569), (11, 2377790), (17, 1538570), (22, 1188895), (34, 769285), (55, 475558), (71, 368390), (85, 307714), (110, 237779), (142, 184195), (170, 153857), (187, 139870), (197, 132770), (355, 73678), (374, 69935), (394, 66385), (710, 36839), (781, 33490), (935, 27974), (985, 26554), (1207, 21670), (1562, 16745), (1870, 13987), (1970, 13277), (2167, 12070), (2414, 10835), (3349, 7810), (3905, 6698), (4334, 6035)]