211379212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{953}}^1$

素因数の和:1110

約数の個数: 36

約数和(自身を含む): 409735368

約数和(自身を除く): 198356156

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 953, 1562, 1906, 3124, 3812, 5041, 10082, 10483, 20164, 20966, 41932, 55451, 67663, 110902, 135326, 221804, 270652, 744293, 1488586, 2977172, 4804073, 9608146, 19216292, 52844803, 105689606, 211379212]

約数ペア:

[(1, 211379212), (2, 105689606), (4, 52844803), (11, 19216292), (22, 9608146), (44, 4804073), (71, 2977172), (142, 1488586), (284, 744293), (781, 270652), (953, 221804), (1562, 135326), (1906, 110902), (3124, 67663), (3812, 55451), (5041, 41932), (10082, 20966), (10483, 20164)]