81383488

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:731

約数の個数: 56

約数和(自身を含む): 172602144

約数和(自身を除く): 91218656

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 131, 136, 262, 272, 524, 544, 571, 1048, 1088, 1142, 2096, 2227, 2284, 4192, 4454, 4568, 8384, 8908, 9136, 9707, 17816, 18272, 19414, 35632, 36544, 38828, 71264, 74801, 77656, 142528, 149602, 155312, 299204, 310624, 598408, 621248, 1196816, 1271617, 2393632, 2543234, 4787264, 5086468, 10172936, 20345872, 40691744, 81383488]

約数ペア:

[(1, 81383488), (2, 40691744), (4, 20345872), (8, 10172936), (16, 5086468), (17, 4787264), (32, 2543234), (34, 2393632), (64, 1271617), (68, 1196816), (131, 621248), (136, 598408), (262, 310624), (272, 299204), (524, 155312), (544, 149602), (571, 142528), (1048, 77656), (1088, 74801), (1142, 71264), (2096, 38828), (2227, 36544), (2284, 35632), (4192, 19414), (4454, 18272), (4568, 17816), (8384, 9707), (8908, 9136)]