1640761258

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 2674165824

約数和(自身を除く): 1033404566

約数列:

[1, 2, 23, 46, 47, 67, 94, 134, 241, 482, 1081, 1541, 2162, 2209, 3082, 3149, 4418, 5543, 6298, 11086, 11327, 16147, 22654, 32294, 50807, 72427, 101614, 144854, 148003, 260521, 296006, 371381, 521042, 532369, 742762, 758909, 1064738, 1517818, 3404069, 6808138, 12244487, 17454907, 24488974, 34909814, 35668723, 71337446, 820380629, 1640761258]

約数ペア:

[(1, 1640761258), (2, 820380629), (23, 71337446), (46, 35668723), (47, 34909814), (67, 24488974), (94, 17454907), (134, 12244487), (241, 6808138), (482, 3404069), (1081, 1517818), (1541, 1064738), (2162, 758909), (2209, 742762), (3082, 532369), (3149, 521042), (4418, 371381), (5543, 296006), (6298, 260521), (11086, 148003), (11327, 144854), (16147, 101614), (22654, 72427), (32294, 50807)]