318853808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{218993}}^1$

素因数の和:219021

約数の個数: 40

約数和(自身を含む): 760347168

約数和(自身を除く): 441493360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 218993, 437986, 875972, 1532951, 1751944, 2846909, 3065902, 3503888, 5693818, 6131804, 11387636, 12263608, 19928363, 22775272, 24527216, 39856726, 45550544, 79713452, 159426904, 318853808]

約数ペア:

[(1, 318853808), (2, 159426904), (4, 79713452), (7, 45550544), (8, 39856726), (13, 24527216), (14, 22775272), (16, 19928363), (26, 12263608), (28, 11387636), (52, 6131804), (56, 5693818), (91, 3503888), (104, 3065902), (112, 2846909), (182, 1751944), (208, 1532951), (364, 875972), (728, 437986), (1456, 218993)]