81441866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 151528320

約数和(自身を除く): 70086454

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 73, 146, 157, 187, 209, 314, 323, 374, 418, 646, 803, 1241, 1387, 1606, 1727, 2482, 2669, 2774, 2983, 3454, 3553, 5338, 5966, 7106, 11461, 13651, 15257, 22922, 23579, 27302, 29359, 30514, 32813, 47158, 50711, 58718, 65626, 101422, 126071, 194837, 217759, 252142, 259369, 389674, 435518, 518738, 557821, 1115642, 2143207, 2395349, 3701903, 4286414, 4790698, 7403806, 40720933, 81441866]

約数ペア:

[(1, 81441866), (2, 40720933), (11, 7403806), (17, 4790698), (19, 4286414), (22, 3701903), (34, 2395349), (38, 2143207), (73, 1115642), (146, 557821), (157, 518738), (187, 435518), (209, 389674), (314, 259369), (323, 252142), (374, 217759), (418, 194837), (646, 126071), (803, 101422), (1241, 65626), (1387, 58718), (1606, 50711), (1727, 47158), (2482, 32813), (2669, 30514), (2774, 29359), (2983, 27302), (3454, 23579), (3553, 22922), (5338, 15257), (5966, 13651), (7106, 11461)]