31800398

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1619}}^1$

素因数の和:1712

約数の個数: 32

約数和(自身を含む): 57853440

約数和(自身を除く): 26053042

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 161, 322, 427, 854, 1403, 1619, 2806, 3238, 9821, 11333, 19642, 22666, 37237, 74474, 98759, 197518, 260659, 521318, 691313, 1382626, 2271457, 4542914, 15900199, 31800398]

約数ペア:

[(1, 31800398), (2, 15900199), (7, 4542914), (14, 2271457), (23, 1382626), (46, 691313), (61, 521318), (122, 260659), (161, 197518), (322, 98759), (427, 74474), (854, 37237), (1403, 22666), (1619, 19642), (2806, 11333), (3238, 9821)]