258321946

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 409973760

約数和(自身を除く): 151651814

約数列:

[1, 2, 31, 61, 62, 122, 167, 334, 409, 818, 1891, 3782, 5177, 10187, 10354, 12679, 20374, 24949, 25358, 49898, 68303, 136606, 315797, 631594, 773419, 1546838, 2117393, 4166483, 4234786, 8332966, 129160973, 258321946]

約数ペア:

[(1, 258321946), (2, 129160973), (31, 8332966), (61, 4234786), (62, 4166483), (122, 2117393), (167, 1546838), (334, 773419), (409, 631594), (818, 315797), (1891, 136606), (3782, 68303), (5177, 49898), (10187, 25358), (10354, 24949), (12679, 20374)]