664318730

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{359}}^1\times {\mathrm{877}}^1$

素因数の和:1454

約数の個数: 32

約数和(自身を含む): 1206161280

約数和(自身を除く): 541842550

約数列:

[1, 2, 5, 10, 211, 359, 422, 718, 877, 1055, 1754, 1795, 2110, 3590, 4385, 8770, 75749, 151498, 185047, 314843, 370094, 378745, 629686, 757490, 925235, 1574215, 1850470, 3148430, 66431873, 132863746, 332159365, 664318730]

約数ペア:

[(1, 664318730), (2, 332159365), (5, 132863746), (10, 66431873), (211, 3148430), (359, 1850470), (422, 1574215), (718, 925235), (877, 757490), (1055, 629686), (1754, 378745), (1795, 370094), (2110, 314843), (3590, 185047), (4385, 151498), (8770, 75749)]