217378416

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{105319}}^1$

素因数の和:105373

約数の個数: 40

約数和(自身を含む): 574625920

約数和(自身を除く): 357247504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 105319, 210638, 315957, 421276, 631914, 842552, 1263828, 1685104, 2527656, 4528717, 5055312, 9057434, 13586151, 18114868, 27172302, 36229736, 54344604, 72459472, 108689208, 217378416]

約数ペア:

[(1, 217378416), (2, 108689208), (3, 72459472), (4, 54344604), (6, 36229736), (8, 27172302), (12, 18114868), (16, 13586151), (24, 9057434), (43, 5055312), (48, 4528717), (86, 2527656), (129, 1685104), (172, 1263828), (258, 842552), (344, 631914), (516, 421276), (688, 315957), (1032, 210638), (2064, 105319)]