257131944

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:679

約数の個数: 96

約数和(自身を含む): 719896320

約数和(自身を除く): 462764376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 263, 296, 333, 367, 444, 526, 666, 734, 789, 888, 1052, 1101, 1332, 1468, 1578, 2104, 2202, 2367, 2664, 2936, 3156, 3303, 4404, 4734, 6312, 6606, 8808, 9468, 9731, 13212, 13579, 18936, 19462, 26424, 27158, 29193, 38924, 40737, 54316, 58386, 77848, 81474, 87579, 96521, 108632, 116772, 122211, 162948, 175158, 193042, 233544, 244422, 289563, 325896, 350316, 386084, 488844, 579126, 700632, 772168, 868689, 977688, 1158252, 1737378, 2316504, 3474756, 3571277, 6949512, 7142554, 10713831, 14285108, 21427662, 28570216, 32141493, 42855324, 64282986, 85710648, 128565972, 257131944]

約数ペア:

[(1, 257131944), (2, 128565972), (3, 85710648), (4, 64282986), (6, 42855324), (8, 32141493), (9, 28570216), (12, 21427662), (18, 14285108), (24, 10713831), (36, 7142554), (37, 6949512), (72, 3571277), (74, 3474756), (111, 2316504), (148, 1737378), (222, 1158252), (263, 977688), (296, 868689), (333, 772168), (367, 700632), (444, 579126), (526, 488844), (666, 386084), (734, 350316), (789, 325896), (888, 289563), (1052, 244422), (1101, 233544), (1332, 193042), (1468, 175158), (1578, 162948), (2104, 122211), (2202, 116772), (2367, 108632), (2664, 96521), (2936, 87579), (3156, 81474), (3303, 77848), (4404, 58386), (4734, 54316), (6312, 40737), (6606, 38924), (8808, 29193), (9468, 27158), (9731, 26424), (13212, 19462), (13579, 18936)]