164904372

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 426666240

約数和(自身を除く): 261761868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 131, 146, 219, 262, 292, 393, 438, 479, 524, 657, 786, 876, 958, 1179, 1314, 1437, 1572, 1916, 2358, 2628, 2874, 4311, 4716, 5748, 8622, 9563, 17244, 19126, 28689, 34967, 38252, 57378, 62749, 69934, 86067, 104901, 114756, 125498, 139868, 172134, 188247, 209802, 250996, 314703, 344268, 376494, 419604, 564741, 629406, 752988, 1129482, 1258812, 2258964, 4580677, 9161354, 13742031, 18322708, 27484062, 41226093, 54968124, 82452186, 164904372]

約数ペア:

[(1, 164904372), (2, 82452186), (3, 54968124), (4, 41226093), (6, 27484062), (9, 18322708), (12, 13742031), (18, 9161354), (36, 4580677), (73, 2258964), (131, 1258812), (146, 1129482), (219, 752988), (262, 629406), (292, 564741), (393, 419604), (438, 376494), (479, 344268), (524, 314703), (657, 250996), (786, 209802), (876, 188247), (958, 172134), (1179, 139868), (1314, 125498), (1437, 114756), (1572, 104901), (1916, 86067), (2358, 69934), (2628, 62749), (2874, 57378), (4311, 38252), (4716, 34967), (5748, 28689), (8622, 19126), (9563, 17244)]