31812138

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 72723456

約数和(自身を除く): 40911318

約数列:

[1, 2, 3, 6, 9, 18, 31, 47, 62, 93, 94, 141, 186, 279, 282, 423, 558, 846, 1213, 1457, 2426, 2914, 3639, 4371, 7278, 8742, 10917, 13113, 21834, 26226, 37603, 57011, 75206, 112809, 114022, 171033, 225618, 338427, 342066, 513099, 676854, 1026198, 1767341, 3534682, 5302023, 10604046, 15906069, 31812138]

約数ペア:

[(1, 31812138), (2, 15906069), (3, 10604046), (6, 5302023), (9, 3534682), (18, 1767341), (31, 1026198), (47, 676854), (62, 513099), (93, 342066), (94, 338427), (141, 225618), (186, 171033), (279, 114022), (282, 112809), (423, 75206), (558, 57011), (846, 37603), (1213, 26226), (1457, 21834), (2426, 13113), (2914, 10917), (3639, 8742), (4371, 7278)]