856528

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 1821312

約数和(自身を除く): 964784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 67, 68, 94, 134, 136, 188, 268, 272, 376, 536, 752, 799, 1072, 1139, 1598, 2278, 3149, 3196, 4556, 6298, 6392, 9112, 12596, 12784, 18224, 25192, 50384, 53533, 107066, 214132, 428264, 856528]

約数ペア:

[(1, 856528), (2, 428264), (4, 214132), (8, 107066), (16, 53533), (17, 50384), (34, 25192), (47, 18224), (67, 12784), (68, 12596), (94, 9112), (134, 6392), (136, 6298), (188, 4556), (268, 3196), (272, 3149), (376, 2278), (536, 1598), (752, 1139), (799, 1072)]