201421444

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 409916416

約数和(自身を除く): 208494972

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 211, 331, 412, 422, 662, 721, 844, 1324, 1442, 1477, 2317, 2884, 2954, 4634, 5908, 9268, 21733, 34093, 43466, 68186, 69841, 86932, 136372, 139682, 152131, 238651, 279364, 304262, 477302, 488887, 608524, 954604, 977774, 1955548, 7193623, 14387246, 28774492, 50355361, 100710722, 201421444]

約数ペア:

[(1, 201421444), (2, 100710722), (4, 50355361), (7, 28774492), (14, 14387246), (28, 7193623), (103, 1955548), (206, 977774), (211, 954604), (331, 608524), (412, 488887), (422, 477302), (662, 304262), (721, 279364), (844, 238651), (1324, 152131), (1442, 139682), (1477, 136372), (2317, 86932), (2884, 69841), (2954, 68186), (4634, 43466), (5908, 34093), (9268, 21733)]