491400000016

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{1543}}^1\times {\mathrm{865409}}^1$

素因数の和:866983

約数の個数: 40

約数和(自身を含む): 994127621760

約数和(自身を除く): 502727621744

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 1543, 3086, 6172, 12344, 24688, 35489, 70978, 141956, 283912, 567824, 865409, 1730818, 3461636, 6923272, 13846544, 19904407, 39808814, 79617628, 159235256, 318470512, 1335326087, 2670652174, 5341304348, 10682608696, 21365217392, 30712500001, 61425000002, 122850000004, 245700000008, 491400000016]

約数ペア:

[(1, 491400000016), (2, 245700000008), (4, 122850000004), (8, 61425000002), (16, 30712500001), (23, 21365217392), (46, 10682608696), (92, 5341304348), (184, 2670652174), (368, 1335326087), (1543, 318470512), (3086, 159235256), (6172, 79617628), (12344, 39808814), (24688, 19904407), (35489, 13846544), (70978, 6923272), (141956, 3461636), (283912, 1730818), (567824, 865409)]