290260438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{1373}}^1$

素因数の和:1608

約数の個数: 32

約数和(自身を含む): 481977216

約数和(自身を除く): 191716778

約数列:

[1, 2, 13, 26, 47, 94, 173, 346, 611, 1222, 1373, 2249, 2746, 4498, 8131, 16262, 17849, 35698, 64531, 105703, 129062, 211406, 237529, 475058, 838903, 1677806, 3087877, 6175754, 11163863, 22327726, 145130219, 290260438]

約数ペア:

[(1, 290260438), (2, 145130219), (13, 22327726), (26, 11163863), (47, 6175754), (94, 3087877), (173, 1677806), (346, 838903), (611, 475058), (1222, 237529), (1373, 211406), (2249, 129062), (2746, 105703), (4498, 64531), (8131, 35698), (16262, 17849)]