128273704

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{5581}}^1$

素因数の和:5630

約数の個数: 48

約数和(自身を含む): 275806620

約数和(自身を除く): 147532916

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 338, 442, 676, 884, 1352, 1768, 2873, 5581, 5746, 11162, 11492, 22324, 22984, 44648, 72553, 94877, 145106, 189754, 290212, 379508, 580424, 759016, 943189, 1233401, 1886378, 2466802, 3772756, 4933604, 7545512, 9867208, 16034213, 32068426, 64136852, 128273704]

約数ペア:

[(1, 128273704), (2, 64136852), (4, 32068426), (8, 16034213), (13, 9867208), (17, 7545512), (26, 4933604), (34, 3772756), (52, 2466802), (68, 1886378), (104, 1233401), (136, 943189), (169, 759016), (221, 580424), (338, 379508), (442, 290212), (676, 189754), (884, 145106), (1352, 94877), (1768, 72553), (2873, 44648), (5581, 22984), (5746, 22324), (11162, 11492)]