257597928

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{170369}}^1$

素因数の和:170391

約数の個数: 64

約数和(自身を含む): 817776000

約数和(自身を除く): 560178072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 170369, 340738, 511107, 681476, 1022214, 1192583, 1362952, 1533321, 2044428, 2385166, 3066642, 3577749, 4088856, 4599963, 4770332, 6133284, 7155498, 9199926, 9540664, 10733247, 12266568, 14310996, 18399852, 21466494, 28621992, 32199741, 36799704, 42932988, 64399482, 85865976, 128798964, 257597928]

約数ペア:

[(1, 257597928), (2, 128798964), (3, 85865976), (4, 64399482), (6, 42932988), (7, 36799704), (8, 32199741), (9, 28621992), (12, 21466494), (14, 18399852), (18, 14310996), (21, 12266568), (24, 10733247), (27, 9540664), (28, 9199926), (36, 7155498), (42, 6133284), (54, 4770332), (56, 4599963), (63, 4088856), (72, 3577749), (84, 3066642), (108, 2385166), (126, 2044428), (168, 1533321), (189, 1362952), (216, 1192583), (252, 1022214), (378, 681476), (504, 511107), (756, 340738), (1512, 170369)]