28629904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1571}}^1$

素因数の和:1663

約数の個数: 40

約数和(自身を含む): 59647968

約数和(自身を除く): 31018064

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 536, 1072, 1139, 1571, 2278, 3142, 4556, 6284, 9112, 12568, 18224, 25136, 26707, 53414, 105257, 106828, 210514, 213656, 421028, 427312, 842056, 1684112, 1789369, 3578738, 7157476, 14314952, 28629904]

約数ペア:

[(1, 28629904), (2, 14314952), (4, 7157476), (8, 3578738), (16, 1789369), (17, 1684112), (34, 842056), (67, 427312), (68, 421028), (134, 213656), (136, 210514), (268, 106828), (272, 105257), (536, 53414), (1072, 26707), (1139, 25136), (1571, 18224), (2278, 12568), (3142, 9112), (4556, 6284)]