64103728

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:342

約数の個数: 60

約数和(自身を含む): 136242768

約数和(自身を除く): 72139040

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 151, 157, 169, 208, 302, 314, 338, 604, 628, 676, 1208, 1256, 1352, 1963, 2041, 2416, 2512, 2704, 3926, 4082, 7852, 8164, 15704, 16328, 23707, 25519, 26533, 31408, 32656, 47414, 51038, 53066, 94828, 102076, 106132, 189656, 204152, 212264, 308191, 379312, 408304, 424528, 616382, 1232764, 2465528, 4006483, 4931056, 8012966, 16025932, 32051864, 64103728]

約数ペア:

[(1, 64103728), (2, 32051864), (4, 16025932), (8, 8012966), (13, 4931056), (16, 4006483), (26, 2465528), (52, 1232764), (104, 616382), (151, 424528), (157, 408304), (169, 379312), (208, 308191), (302, 212264), (314, 204152), (338, 189656), (604, 106132), (628, 102076), (676, 94828), (1208, 53066), (1256, 51038), (1352, 47414), (1963, 32656), (2041, 31408), (2416, 26533), (2512, 25519), (2704, 23707), (3926, 16328), (4082, 15704), (7852, 8164)]