28754704

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1039

約数の個数: 40

約数和(自身を含む): 61156800

約数和(自身を除く): 32402096

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 199, 398, 796, 821, 1592, 1642, 2189, 3184, 3284, 4378, 6568, 8756, 9031, 13136, 17512, 18062, 35024, 36124, 72248, 144496, 163379, 326758, 653516, 1307032, 1797169, 2614064, 3594338, 7188676, 14377352, 28754704]

約数ペア:

[(1, 28754704), (2, 14377352), (4, 7188676), (8, 3594338), (11, 2614064), (16, 1797169), (22, 1307032), (44, 653516), (88, 326758), (176, 163379), (199, 144496), (398, 72248), (796, 36124), (821, 35024), (1592, 18062), (1642, 17512), (2189, 13136), (3184, 9031), (3284, 8756), (4378, 6568)]