256449792

素因数分解:

$2^8\times 3^1\times {\mathrm{131}}^1\times {\mathrm{2549}}^1$

素因数の和:2699

約数の個数: 72

約数和(自身を含む): 688010400

約数和(自身を除く): 431560608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 256, 262, 384, 393, 524, 768, 786, 1048, 1572, 2096, 2549, 3144, 4192, 5098, 6288, 7647, 8384, 10196, 12576, 15294, 16768, 20392, 25152, 30588, 33536, 40784, 50304, 61176, 81568, 100608, 122352, 163136, 244704, 326272, 333919, 489408, 652544, 667838, 978816, 1001757, 1335676, 1957632, 2003514, 2671352, 4007028, 5342704, 8014056, 10685408, 16028112, 21370816, 32056224, 42741632, 64112448, 85483264, 128224896, 256449792]

約数ペア:

[(1, 256449792), (2, 128224896), (3, 85483264), (4, 64112448), (6, 42741632), (8, 32056224), (12, 21370816), (16, 16028112), (24, 10685408), (32, 8014056), (48, 5342704), (64, 4007028), (96, 2671352), (128, 2003514), (131, 1957632), (192, 1335676), (256, 1001757), (262, 978816), (384, 667838), (393, 652544), (524, 489408), (768, 333919), (786, 326272), (1048, 244704), (1572, 163136), (2096, 122352), (2549, 100608), (3144, 81568), (4192, 61176), (5098, 50304), (6288, 40784), (7647, 33536), (8384, 30588), (10196, 25152), (12576, 20392), (15294, 16768)]