257655888

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{577}}^1$

素因数の和:1041

約数の個数: 120

約数和(自身を含む): 827381568

約数和(自身を除く): 569725680

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 443, 504, 577, 886, 1008, 1154, 1329, 1731, 1772, 2308, 2658, 3101, 3462, 3544, 3987, 4039, 4616, 5193, 5316, 6202, 6924, 7088, 7974, 8078, 9232, 9303, 10386, 10632, 12117, 12404, 13848, 15948, 16156, 18606, 20772, 21264, 24234, 24808, 27696, 27909, 31896, 32312, 36351, 37212, 41544, 48468, 49616, 55818, 63792, 64624, 72702, 74424, 83088, 96936, 111636, 145404, 148848, 193872, 223272, 255611, 290808, 446544, 511222, 581616, 766833, 1022444, 1533666, 1789277, 2044888, 2300499, 3067332, 3578554, 4089776, 4600998, 5367831, 6134664, 7157108, 9201996, 10735662, 12269328, 14314216, 16103493, 18403992, 21471324, 28628432, 32206986, 36807984, 42942648, 64413972, 85885296, 128827944, 257655888]

約数ペア:

[(1, 257655888), (2, 128827944), (3, 85885296), (4, 64413972), (6, 42942648), (7, 36807984), (8, 32206986), (9, 28628432), (12, 21471324), (14, 18403992), (16, 16103493), (18, 14314216), (21, 12269328), (24, 10735662), (28, 9201996), (36, 7157108), (42, 6134664), (48, 5367831), (56, 4600998), (63, 4089776), (72, 3578554), (84, 3067332), (112, 2300499), (126, 2044888), (144, 1789277), (168, 1533666), (252, 1022444), (336, 766833), (443, 581616), (504, 511222), (577, 446544), (886, 290808), (1008, 255611), (1154, 223272), (1329, 193872), (1731, 148848), (1772, 145404), (2308, 111636), (2658, 96936), (3101, 83088), (3462, 74424), (3544, 72702), (3987, 64624), (4039, 63792), (4616, 55818), (5193, 49616), (5316, 48468), (6202, 41544), (6924, 37212), (7088, 36351), (7974, 32312), (8078, 31896), (9232, 27909), (9303, 27696), (10386, 24808), (10632, 24234), (12117, 21264), (12404, 20772), (13848, 18606), (15948, 16156)]