1640783964

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1\times {\mathrm{3491}}^1$

素因数の和:4290

約数の個数: 48

約数和(自身を含む): 3907128960

約数和(自身を除く): 2266344996

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 739, 1478, 2217, 2956, 3491, 4434, 6982, 8868, 10473, 13964, 20946, 39167, 41892, 78334, 117501, 156668, 185023, 235002, 370046, 470004, 555069, 740092, 1110138, 2220276, 2579849, 5159698, 7739547, 10319396, 15479094, 30958188, 136731997, 273463994, 410195991, 546927988, 820391982, 1640783964]

約数ペア:

[(1, 1640783964), (2, 820391982), (3, 546927988), (4, 410195991), (6, 273463994), (12, 136731997), (53, 30958188), (106, 15479094), (159, 10319396), (212, 7739547), (318, 5159698), (636, 2579849), (739, 2220276), (1478, 1110138), (2217, 740092), (2956, 555069), (3491, 470004), (4434, 370046), (6982, 235002), (8868, 185023), (10473, 156668), (13964, 117501), (20946, 78334), (39167, 41892)]