156624986

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{1213}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 281104128

約数和(自身を除く): 124479142

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 401, 802, 1213, 2426, 2807, 5614, 8491, 9223, 16982, 18446, 27899, 55798, 64561, 129122, 195293, 390586, 486413, 972826, 3404891, 6809782, 11187499, 22374998, 78312493, 156624986]

約数ペア:

[(1, 156624986), (2, 78312493), (7, 22374998), (14, 11187499), (23, 6809782), (46, 3404891), (161, 972826), (322, 486413), (401, 390586), (802, 195293), (1213, 129122), (2426, 64561), (2807, 55798), (5614, 27899), (8491, 18446), (9223, 16982)]