81719608

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12503}}^1$

素因数の和:12571

約数の個数: 32

約数和(自身を含む): 165052800

約数和(自身を除く): 83333192

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 12503, 25006, 50012, 100024, 237557, 475114, 537629, 950228, 1075258, 1900456, 2150516, 4301032, 10214951, 20429902, 40859804, 81719608]

約数ペア:

[(1, 81719608), (2, 40859804), (4, 20429902), (8, 10214951), (19, 4301032), (38, 2150516), (43, 1900456), (76, 1075258), (86, 950228), (152, 537629), (172, 475114), (344, 237557), (817, 100024), (1634, 50012), (3268, 25006), (6536, 12503)]