90217428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2253

約数の個数: 72

約数和(自身を含む): 248439744

約数和(自身を除く): 158222316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 196, 213, 284, 294, 426, 497, 588, 852, 994, 1491, 1988, 2161, 2982, 3479, 4322, 5964, 6483, 6958, 8644, 10437, 12966, 13916, 15127, 20874, 25932, 30254, 41748, 45381, 60508, 90762, 105889, 153431, 181524, 211778, 306862, 317667, 423556, 460293, 613724, 635334, 920586, 1074017, 1270668, 1841172, 2148034, 3222051, 4296068, 6444102, 7518119, 12888204, 15036238, 22554357, 30072476, 45108714, 90217428]

約数ペア:

[(1, 90217428), (2, 45108714), (3, 30072476), (4, 22554357), (6, 15036238), (7, 12888204), (12, 7518119), (14, 6444102), (21, 4296068), (28, 3222051), (42, 2148034), (49, 1841172), (71, 1270668), (84, 1074017), (98, 920586), (142, 635334), (147, 613724), (196, 460293), (213, 423556), (284, 317667), (294, 306862), (426, 211778), (497, 181524), (588, 153431), (852, 105889), (994, 90762), (1491, 60508), (1988, 45381), (2161, 41748), (2982, 30254), (3479, 25932), (4322, 20874), (5964, 15127), (6483, 13916), (6958, 12966), (8644, 10437)]