127968928

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3511}}^1$

素因数の和:3605

約数の個数: 48

約数和(自身を含む): 270817344

約数和(自身を除く): 142848416

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 67, 68, 134, 136, 268, 272, 536, 544, 1072, 1139, 2144, 2278, 3511, 4556, 7022, 9112, 14044, 18224, 28088, 36448, 56176, 59687, 112352, 119374, 235237, 238748, 470474, 477496, 940948, 954992, 1881896, 1909984, 3763792, 3999029, 7527584, 7998058, 15996116, 31992232, 63984464, 127968928]

約数ペア:

[(1, 127968928), (2, 63984464), (4, 31992232), (8, 15996116), (16, 7998058), (17, 7527584), (32, 3999029), (34, 3763792), (67, 1909984), (68, 1881896), (134, 954992), (136, 940948), (268, 477496), (272, 470474), (536, 238748), (544, 235237), (1072, 119374), (1139, 112352), (2144, 59687), (2278, 56176), (3511, 36448), (4556, 28088), (7022, 18224), (9112, 14044)]