198668888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{14951}}^1$

素因数の和:15119

約数の個数: 32

約数和(自身を含む): 409086720

約数和(自身を除く): 210417832

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 151, 302, 604, 1208, 1661, 3322, 6644, 13288, 14951, 29902, 59804, 119608, 164461, 328922, 657844, 1315688, 2257601, 4515202, 9030404, 18060808, 24833611, 49667222, 99334444, 198668888]

約数ペア:

[(1, 198668888), (2, 99334444), (4, 49667222), (8, 24833611), (11, 18060808), (22, 9030404), (44, 4515202), (88, 2257601), (151, 1315688), (302, 657844), (604, 328922), (1208, 164461), (1661, 119608), (3322, 59804), (6644, 29902), (13288, 14951)]