261042544

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 592184320

約数和(自身を除く): 331141776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 163, 181, 316, 326, 362, 553, 632, 652, 724, 1106, 1141, 1264, 1267, 1304, 1448, 2212, 2282, 2534, 2608, 2896, 4424, 4564, 5068, 8848, 9128, 10136, 12877, 14299, 18256, 20272, 25754, 28598, 29503, 51508, 57196, 59006, 90139, 100093, 103016, 114392, 118012, 180278, 200186, 206032, 206521, 228784, 236024, 360556, 400372, 413042, 472048, 721112, 800744, 826084, 1442224, 1601488, 1652168, 2330737, 3304336, 4661474, 9322948, 16315159, 18645896, 32630318, 37291792, 65260636, 130521272, 261042544]

約数ペア:

[(1, 261042544), (2, 130521272), (4, 65260636), (7, 37291792), (8, 32630318), (14, 18645896), (16, 16315159), (28, 9322948), (56, 4661474), (79, 3304336), (112, 2330737), (158, 1652168), (163, 1601488), (181, 1442224), (316, 826084), (326, 800744), (362, 721112), (553, 472048), (632, 413042), (652, 400372), (724, 360556), (1106, 236024), (1141, 228784), (1264, 206521), (1267, 206032), (1304, 200186), (1448, 180278), (2212, 118012), (2282, 114392), (2534, 103016), (2608, 100093), (2896, 90139), (4424, 59006), (4564, 57196), (5068, 51508), (8848, 29503), (9128, 28598), (10136, 25754), (12877, 20272), (14299, 18256)]