251059198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 447068160

約数和(自身を除く): 196008962

約数列:

[1, 2, 13, 19, 26, 38, 43, 53, 86, 106, 223, 247, 446, 494, 559, 689, 817, 1007, 1118, 1378, 1634, 2014, 2279, 2899, 4237, 4558, 5798, 8474, 9589, 10621, 11819, 13091, 19178, 21242, 23638, 26182, 29627, 43301, 55081, 59254, 86602, 110162, 124657, 153647, 182191, 224561, 249314, 307294, 364382, 449122, 508217, 562913, 1016434, 1125826, 2368483, 2919293, 4736966, 5838586, 6606821, 9656123, 13213642, 19312246, 125529599, 251059198]

約数ペア:

[(1, 251059198), (2, 125529599), (13, 19312246), (19, 13213642), (26, 9656123), (38, 6606821), (43, 5838586), (53, 4736966), (86, 2919293), (106, 2368483), (223, 1125826), (247, 1016434), (446, 562913), (494, 508217), (559, 449122), (689, 364382), (817, 307294), (1007, 249314), (1118, 224561), (1378, 182191), (1634, 153647), (2014, 124657), (2279, 110162), (2899, 86602), (4237, 59254), (4558, 55081), (5798, 43301), (8474, 29627), (9589, 26182), (10621, 23638), (11819, 21242), (13091, 19178)]