257831712

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{28879}}^1$

素因数の和:28926

約数の個数: 72

約数和(自身を含む): 756887040

約数和(自身を除く): 499055328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 28879, 57758, 86637, 115516, 173274, 231032, 259911, 346548, 462064, 519822, 693096, 895249, 924128, 1039644, 1386192, 1790498, 2079288, 2685747, 2772384, 3580996, 4158576, 5371494, 7161992, 8057241, 8317152, 10742988, 14323984, 16114482, 21485976, 28647968, 32228964, 42971952, 64457928, 85943904, 128915856, 257831712]

約数ペア:

[(1, 257831712), (2, 128915856), (3, 85943904), (4, 64457928), (6, 42971952), (8, 32228964), (9, 28647968), (12, 21485976), (16, 16114482), (18, 14323984), (24, 10742988), (31, 8317152), (32, 8057241), (36, 7161992), (48, 5371494), (62, 4158576), (72, 3580996), (93, 2772384), (96, 2685747), (124, 2079288), (144, 1790498), (186, 1386192), (248, 1039644), (279, 924128), (288, 895249), (372, 693096), (496, 519822), (558, 462064), (744, 346548), (992, 259911), (1116, 231032), (1488, 173274), (2232, 115516), (2976, 86637), (4464, 57758), (8928, 28879)]