64405328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{739}}^1$

素因数の和:1179

約数の個数: 40

約数和(自身を含む): 134887200

約数和(自身を除く): 70481872

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 419, 739, 838, 1478, 1676, 2956, 3352, 5447, 5912, 6704, 9607, 10894, 11824, 19214, 21788, 38428, 43576, 76856, 87152, 153712, 309641, 619282, 1238564, 2477128, 4025333, 4954256, 8050666, 16101332, 32202664, 64405328]

約数ペア:

[(1, 64405328), (2, 32202664), (4, 16101332), (8, 8050666), (13, 4954256), (16, 4025333), (26, 2477128), (52, 1238564), (104, 619282), (208, 309641), (419, 153712), (739, 87152), (838, 76856), (1478, 43576), (1676, 38428), (2956, 21788), (3352, 19214), (5447, 11824), (5912, 10894), (6704, 9607)]