257549568

素因数分解:

$2^8\times 3^1\times {\mathrm{443}}^1\times {\mathrm{757}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 687912288

約数和(自身を除く): 430362720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 443, 757, 768, 886, 1329, 1514, 1772, 2271, 2658, 3028, 3544, 4542, 5316, 6056, 7088, 9084, 10632, 12112, 14176, 18168, 21264, 24224, 28352, 36336, 42528, 48448, 56704, 72672, 85056, 96896, 113408, 145344, 170112, 193792, 290688, 335351, 340224, 581376, 670702, 1006053, 1341404, 2012106, 2682808, 4024212, 5365616, 8048424, 10731232, 16096848, 21462464, 32193696, 42924928, 64387392, 85849856, 128774784, 257549568]

約数ペア:

[(1, 257549568), (2, 128774784), (3, 85849856), (4, 64387392), (6, 42924928), (8, 32193696), (12, 21462464), (16, 16096848), (24, 10731232), (32, 8048424), (48, 5365616), (64, 4024212), (96, 2682808), (128, 2012106), (192, 1341404), (256, 1006053), (384, 670702), (443, 581376), (757, 340224), (768, 335351), (886, 290688), (1329, 193792), (1514, 170112), (1772, 145344), (2271, 113408), (2658, 96896), (3028, 85056), (3544, 72672), (4542, 56704), (5316, 48448), (6056, 42528), (7088, 36336), (9084, 28352), (10632, 24224), (12112, 21264), (14176, 18168)]