64816784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7687}}^1$

素因数の和:7743

約数の個数: 40

約数和(自身を含む): 137276928

約数和(自身を除く): 72460144

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 7687, 8432, 15374, 30748, 61496, 122992, 130679, 238297, 261358, 476594, 522716, 953188, 1045432, 1906376, 2090864, 3812752, 4051049, 8102098, 16204196, 32408392, 64816784]

約数ペア:

[(1, 64816784), (2, 32408392), (4, 16204196), (8, 8102098), (16, 4051049), (17, 3812752), (31, 2090864), (34, 1906376), (62, 1045432), (68, 953188), (124, 522716), (136, 476594), (248, 261358), (272, 238297), (496, 130679), (527, 122992), (1054, 61496), (2108, 30748), (4216, 15374), (7687, 8432)]