87874444

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 189489888

約数和(自身を除く): 101615444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 101, 161, 193, 196, 202, 322, 386, 404, 644, 707, 772, 1127, 1351, 1414, 2254, 2323, 2702, 2828, 4439, 4508, 4646, 4949, 5404, 8878, 9292, 9457, 9898, 16261, 17756, 18914, 19493, 19796, 31073, 32522, 37828, 38986, 62146, 65044, 77972, 113827, 124292, 136451, 217511, 227654, 272902, 435022, 448339, 455308, 545804, 870044, 896678, 955157, 1793356, 1910314, 3138373, 3820628, 6276746, 12553492, 21968611, 43937222, 87874444]

約数ペア:

[(1, 87874444), (2, 43937222), (4, 21968611), (7, 12553492), (14, 6276746), (23, 3820628), (28, 3138373), (46, 1910314), (49, 1793356), (92, 955157), (98, 896678), (101, 870044), (161, 545804), (193, 455308), (196, 448339), (202, 435022), (322, 272902), (386, 227654), (404, 217511), (644, 136451), (707, 124292), (772, 113827), (1127, 77972), (1351, 65044), (1414, 62146), (2254, 38986), (2323, 37828), (2702, 32522), (2828, 31073), (4439, 19796), (4508, 19493), (4646, 18914), (4949, 17756), (5404, 16261), (8878, 9898), (9292, 9457)]