1397807728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{39229}}^1$

素因数の和:39385

約数の個数: 40

約数和(自身を含む): 2889524880

約数和(自身を除く): 1491717152

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 131, 136, 262, 272, 524, 1048, 2096, 2227, 4454, 8908, 17816, 35632, 39229, 78458, 156916, 313832, 627664, 666893, 1333786, 2667572, 5138999, 5335144, 10277998, 10670288, 20555996, 41111992, 82223984, 87362983, 174725966, 349451932, 698903864, 1397807728]

約数ペア:

[(1, 1397807728), (2, 698903864), (4, 349451932), (8, 174725966), (16, 87362983), (17, 82223984), (34, 41111992), (68, 20555996), (131, 10670288), (136, 10277998), (262, 5335144), (272, 5138999), (524, 2667572), (1048, 1333786), (2096, 666893), (2227, 627664), (4454, 313832), (8908, 156916), (17816, 78458), (35632, 39229)]