131631472

素因数分解:

$2^4\times 7^1\times {\mathrm{509}}^1\times {\mathrm{2309}}^1$

素因数の和:2833

約数の個数: 40

約数和(自身を含む): 292168800

約数和(自身を除く): 160537328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 509, 1018, 2036, 2309, 3563, 4072, 4618, 7126, 8144, 9236, 14252, 16163, 18472, 28504, 32326, 36944, 57008, 64652, 129304, 258608, 1175281, 2350562, 4701124, 8226967, 9402248, 16453934, 18804496, 32907868, 65815736, 131631472]

約数ペア:

[(1, 131631472), (2, 65815736), (4, 32907868), (7, 18804496), (8, 16453934), (14, 9402248), (16, 8226967), (28, 4701124), (56, 2350562), (112, 1175281), (509, 258608), (1018, 129304), (2036, 64652), (2309, 57008), (3563, 36944), (4072, 32326), (4618, 28504), (7126, 18472), (8144, 16163), (9236, 14252)]