187408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 40

約数和(自身を含む): 421848

約数和(自身を除く): 234440

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 53, 68, 104, 106, 136, 208, 212, 221, 272, 424, 442, 689, 848, 884, 901, 1378, 1768, 1802, 2756, 3536, 3604, 5512, 7208, 11024, 11713, 14416, 23426, 46852, 93704, 187408]

約数ペア:

[(1, 187408), (2, 93704), (4, 46852), (8, 23426), (13, 14416), (16, 11713), (17, 11024), (26, 7208), (34, 5512), (52, 3604), (53, 3536), (68, 2756), (104, 1802), (106, 1768), (136, 1378), (208, 901), (212, 884), (221, 848), (272, 689), (424, 442)]