221570454

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 560332800

約数和(自身を除く): 338762346

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 31, 42, 46, 49, 62, 69, 93, 98, 138, 147, 151, 161, 186, 217, 294, 302, 322, 343, 434, 453, 483, 651, 686, 713, 906, 966, 1029, 1057, 1127, 1302, 1426, 1519, 2058, 2114, 2139, 2254, 3038, 3171, 3381, 3473, 4278, 4557, 4681, 4991, 6342, 6762, 6946, 7399, 7889, 9114, 9362, 9982, 10419, 10633, 14043, 14798, 14973, 15778, 20838, 21266, 22197, 23667, 24311, 28086, 29946, 31899, 32767, 34937, 44394, 47334, 48622, 51793, 63798, 65534, 69874, 72933, 98301, 103586, 104811, 107663, 145866, 155379, 170177, 196602, 209622, 215326, 229369, 244559, 310758, 322989, 340354, 458738, 489118, 510531, 645978, 688107, 733677, 753641, 1021062, 1191239, 1376214, 1467354, 1507282, 1605583, 2260923, 2382478, 3211166, 3573717, 4521846, 4816749, 5275487, 7147434, 9633498, 10550974, 15826461, 31652922, 36928409, 73856818, 110785227, 221570454]

約数ペア:

[(1, 221570454), (2, 110785227), (3, 73856818), (6, 36928409), (7, 31652922), (14, 15826461), (21, 10550974), (23, 9633498), (31, 7147434), (42, 5275487), (46, 4816749), (49, 4521846), (62, 3573717), (69, 3211166), (93, 2382478), (98, 2260923), (138, 1605583), (147, 1507282), (151, 1467354), (161, 1376214), (186, 1191239), (217, 1021062), (294, 753641), (302, 733677), (322, 688107), (343, 645978), (434, 510531), (453, 489118), (483, 458738), (651, 340354), (686, 322989), (713, 310758), (906, 244559), (966, 229369), (1029, 215326), (1057, 209622), (1127, 196602), (1302, 170177), (1426, 155379), (1519, 145866), (2058, 107663), (2114, 104811), (2139, 103586), (2254, 98301), (3038, 72933), (3171, 69874), (3381, 65534), (3473, 63798), (4278, 51793), (4557, 48622), (4681, 47334), (4991, 44394), (6342, 34937), (6762, 32767), (6946, 31899), (7399, 29946), (7889, 28086), (9114, 24311), (9362, 23667), (9982, 22197), (10419, 21266), (10633, 20838), (14043, 15778), (14798, 14973)]