28378984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2939}}^1$

素因数の和:3033

約数の個数: 32

約数和(自身を含む): 57153600

約数和(自身を除く): 28774616

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2414, 2939, 4828, 5878, 9656, 11756, 23512, 49963, 99926, 199852, 208669, 399704, 417338, 834676, 1669352, 3547373, 7094746, 14189492, 28378984]

約数ペア:

[(1, 28378984), (2, 14189492), (4, 7094746), (8, 3547373), (17, 1669352), (34, 834676), (68, 417338), (71, 399704), (136, 208669), (142, 199852), (284, 99926), (568, 49963), (1207, 23512), (2414, 11756), (2939, 9656), (4828, 5878)]