221301514

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{2621}}^1$

素因数の和:2830

約数の個数: 32

約数和(自身を含む): 392167296

約数和(自身を除く): 170865782

約数列:

[1, 2, 7, 14, 37, 74, 163, 259, 326, 518, 1141, 2282, 2621, 5242, 6031, 12062, 18347, 36694, 42217, 84434, 96977, 193954, 427223, 678839, 854446, 1357678, 2990561, 5981122, 15807251, 31614502, 110650757, 221301514]

約数ペア:

[(1, 221301514), (2, 110650757), (7, 31614502), (14, 15807251), (37, 5981122), (74, 2990561), (163, 1357678), (259, 854446), (326, 678839), (518, 427223), (1141, 193954), (2282, 96977), (2621, 84434), (5242, 42217), (6031, 36694), (12062, 18347)]