217398430

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{631}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 396430848

約数和(自身を除く): 179032418

約数列:

[1, 2, 5, 10, 131, 262, 263, 526, 631, 655, 1262, 1310, 1315, 2630, 3155, 6310, 34453, 68906, 82661, 165322, 165953, 172265, 331906, 344530, 413305, 826610, 829765, 1659530, 21739843, 43479686, 108699215, 217398430]

約数ペア:

[(1, 217398430), (2, 108699215), (5, 43479686), (10, 21739843), (131, 1659530), (262, 829765), (263, 826610), (526, 413305), (631, 344530), (655, 331906), (1262, 172265), (1310, 165953), (1315, 165322), (2630, 82661), (3155, 68906), (6310, 34453)]