66657872

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:651

約数の個数: 40

約数和(自身を含む): 132387360

約数和(自身を除く): 65729488

約数列:

[1, 2, 4, 8, 16, 61, 122, 163, 244, 326, 419, 488, 652, 838, 976, 1304, 1676, 2608, 3352, 6704, 9943, 19886, 25559, 39772, 51118, 68297, 79544, 102236, 136594, 159088, 204472, 273188, 408944, 546376, 1092752, 4166117, 8332234, 16664468, 33328936, 66657872]

約数ペア:

[(1, 66657872), (2, 33328936), (4, 16664468), (8, 8332234), (16, 4166117), (61, 1092752), (122, 546376), (163, 408944), (244, 273188), (326, 204472), (419, 159088), (488, 136594), (652, 102236), (838, 79544), (976, 68297), (1304, 51118), (1676, 39772), (2608, 25559), (3352, 19886), (6704, 9943)]