217759912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{33317}}^1$

素因数の和:33385

約数の個数: 32

約数和(自身を含む): 439797600

約数和(自身を除く): 222037688

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 33317, 66634, 133268, 266536, 633023, 1266046, 1432631, 2532092, 2865262, 5064184, 5730524, 11461048, 27219989, 54439978, 108879956, 217759912]

約数ペア:

[(1, 217759912), (2, 108879956), (4, 54439978), (8, 27219989), (19, 11461048), (38, 5730524), (43, 5064184), (76, 2865262), (86, 2532092), (152, 1432631), (172, 1266046), (344, 633023), (817, 266536), (1634, 133268), (3268, 66634), (6536, 33317)]