15904928

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:226

約数の個数: 72

約数和(自身を含む): 36108828

約数和(自身を除く): 20203900

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 169, 173, 208, 221, 272, 338, 346, 416, 442, 544, 676, 692, 884, 1352, 1384, 1768, 2249, 2704, 2768, 2873, 2941, 3536, 4498, 5408, 5536, 5746, 5882, 7072, 8996, 11492, 11764, 17992, 22984, 23528, 29237, 35984, 38233, 45968, 47056, 58474, 71968, 76466, 91936, 94112, 116948, 152932, 233896, 305864, 467792, 497029, 611728, 935584, 994058, 1223456, 1988116, 3976232, 7952464, 15904928]

約数ペア:

[(1, 15904928), (2, 7952464), (4, 3976232), (8, 1988116), (13, 1223456), (16, 994058), (17, 935584), (26, 611728), (32, 497029), (34, 467792), (52, 305864), (68, 233896), (104, 152932), (136, 116948), (169, 94112), (173, 91936), (208, 76466), (221, 71968), (272, 58474), (338, 47056), (346, 45968), (416, 38233), (442, 35984), (544, 29237), (676, 23528), (692, 22984), (884, 17992), (1352, 11764), (1384, 11492), (1768, 8996), (2249, 7072), (2704, 5882), (2768, 5746), (2873, 5536), (2941, 5408), (3536, 4498)]