1315840864

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{20147}}^1$

素因数の和:20327

約数の個数: 48

約数和(自身を含む): 2807744688

約数和(自身を除く): 1491903824

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 157, 208, 314, 416, 628, 1256, 2041, 2512, 4082, 5024, 8164, 16328, 20147, 32656, 40294, 65312, 80588, 161176, 261911, 322352, 523822, 644704, 1047644, 2095288, 3163079, 4190576, 6326158, 8381152, 12652316, 25304632, 41120027, 50609264, 82240054, 101218528, 164480108, 328960216, 657920432, 1315840864]

約数ペア:

[(1, 1315840864), (2, 657920432), (4, 328960216), (8, 164480108), (13, 101218528), (16, 82240054), (26, 50609264), (32, 41120027), (52, 25304632), (104, 12652316), (157, 8381152), (208, 6326158), (314, 4190576), (416, 3163079), (628, 2095288), (1256, 1047644), (2041, 644704), (2512, 523822), (4082, 322352), (5024, 261911), (8164, 161176), (16328, 80588), (20147, 65312), (32656, 40294)]