15903472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:665

約数の個数: 40

約数和(自身を含む): 33463136

約数和(自身を除く): 17559664

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 487, 628, 974, 1256, 1948, 2041, 2512, 3896, 4082, 6331, 7792, 8164, 12662, 16328, 25324, 32656, 50648, 76459, 101296, 152918, 305836, 611672, 993967, 1223344, 1987934, 3975868, 7951736, 15903472]

約数ペア:

[(1, 15903472), (2, 7951736), (4, 3975868), (8, 1987934), (13, 1223344), (16, 993967), (26, 611672), (52, 305836), (104, 152918), (157, 101296), (208, 76459), (314, 50648), (487, 32656), (628, 25324), (974, 16328), (1256, 12662), (1948, 8164), (2041, 7792), (2512, 6331), (3896, 4082)]