251140312

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{997}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 505506960

約数和(自身を除く): 254366648

約数列:

[1, 2, 4, 8, 23, 37, 46, 74, 92, 148, 184, 296, 851, 997, 1369, 1702, 1994, 2738, 3404, 3988, 5476, 6808, 7976, 10952, 22931, 31487, 36889, 45862, 62974, 73778, 91724, 125948, 147556, 183448, 251896, 295112, 848447, 1364893, 1696894, 2729786, 3393788, 5459572, 6787576, 10919144, 31392539, 62785078, 125570156, 251140312]

約数ペア:

[(1, 251140312), (2, 125570156), (4, 62785078), (8, 31392539), (23, 10919144), (37, 6787576), (46, 5459572), (74, 3393788), (92, 2729786), (148, 1696894), (184, 1364893), (296, 848447), (851, 295112), (997, 251896), (1369, 183448), (1702, 147556), (1994, 125948), (2738, 91724), (3404, 73778), (3988, 62974), (5476, 45862), (6808, 36889), (7976, 31487), (10952, 22931)]