215520184

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 458496000

約数和(自身を除く): 242975816

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 199, 248, 341, 397, 398, 682, 794, 796, 1364, 1588, 1592, 2189, 2728, 3176, 4367, 4378, 6169, 8734, 8756, 12307, 12338, 17468, 17512, 24614, 24676, 34936, 49228, 49352, 67859, 79003, 98456, 135377, 135718, 158006, 270754, 271436, 316012, 541508, 542872, 632024, 869033, 1083016, 1738066, 2449093, 3476132, 4898186, 6952264, 9796372, 19592744, 26940023, 53880046, 107760092, 215520184]

約数ペア:

[(1, 215520184), (2, 107760092), (4, 53880046), (8, 26940023), (11, 19592744), (22, 9796372), (31, 6952264), (44, 4898186), (62, 3476132), (88, 2449093), (124, 1738066), (199, 1083016), (248, 869033), (341, 632024), (397, 542872), (398, 541508), (682, 316012), (794, 271436), (796, 270754), (1364, 158006), (1588, 135718), (1592, 135377), (2189, 98456), (2728, 79003), (3176, 67859), (4367, 49352), (4378, 49228), (6169, 34936), (8734, 24676), (8756, 24614), (12307, 17512), (12338, 17468)]