15721384804

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{829}}^1\times {\mathrm{1321}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 28603373680

約数和(自身を除く): 12881988876

約数列:

[1, 2, 4, 37, 74, 97, 148, 194, 388, 829, 1321, 1658, 2642, 3316, 3589, 5284, 7178, 14356, 30673, 48877, 61346, 80413, 97754, 122692, 128137, 160826, 195508, 256274, 321652, 512548, 1095109, 2190218, 2975281, 4380436, 4741069, 5950562, 9482138, 11901124, 18964276, 40519033, 81038066, 106225573, 162076132, 212451146, 424902292, 3930346201, 7860692402, 15721384804]

約数ペア:

[(1, 15721384804), (2, 7860692402), (4, 3930346201), (37, 424902292), (74, 212451146), (97, 162076132), (148, 106225573), (194, 81038066), (388, 40519033), (829, 18964276), (1321, 11901124), (1658, 9482138), (2642, 5950562), (3316, 4741069), (3589, 4380436), (5284, 2975281), (7178, 2190218), (14356, 1095109), (30673, 512548), (48877, 321652), (61346, 256274), (80413, 195508), (97754, 160826), (122692, 128137)]