81549952

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3407}}^1$

素因数の和:3449

約数の個数: 64

約数和(自身を含む): 187712640

約数和(自身を除く): 106162688

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 272, 352, 374, 544, 704, 748, 1088, 1408, 1496, 2176, 2992, 3407, 5984, 6814, 11968, 13628, 23936, 27256, 37477, 54512, 57919, 74954, 109024, 115838, 149908, 218048, 231676, 299816, 436096, 463352, 599632, 637109, 926704, 1199264, 1274218, 1853408, 2398528, 2548436, 3706816, 4797056, 5096872, 7413632, 10193744, 20387488, 40774976, 81549952]

約数ペア:

[(1, 81549952), (2, 40774976), (4, 20387488), (8, 10193744), (11, 7413632), (16, 5096872), (17, 4797056), (22, 3706816), (32, 2548436), (34, 2398528), (44, 1853408), (64, 1274218), (68, 1199264), (88, 926704), (128, 637109), (136, 599632), (176, 463352), (187, 436096), (272, 299816), (352, 231676), (374, 218048), (544, 149908), (704, 115838), (748, 109024), (1088, 74954), (1408, 57919), (1496, 54512), (2176, 37477), (2992, 27256), (3407, 23936), (5984, 13628), (6814, 11968)]