61890416

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 142990848

約数和(自身を除く): 81100432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 71, 86, 112, 142, 172, 181, 284, 301, 344, 362, 497, 568, 602, 688, 724, 994, 1136, 1204, 1267, 1448, 1988, 2408, 2534, 2896, 3053, 3976, 4816, 5068, 6106, 7783, 7952, 10136, 12212, 12851, 15566, 20272, 21371, 24424, 25702, 31132, 42742, 48848, 51404, 54481, 62264, 85484, 89957, 102808, 108962, 124528, 170968, 179914, 205616, 217924, 341936, 359828, 435848, 552593, 719656, 871696, 1105186, 1439312, 2210372, 3868151, 4420744, 7736302, 8841488, 15472604, 30945208, 61890416]

約数ペア:

[(1, 61890416), (2, 30945208), (4, 15472604), (7, 8841488), (8, 7736302), (14, 4420744), (16, 3868151), (28, 2210372), (43, 1439312), (56, 1105186), (71, 871696), (86, 719656), (112, 552593), (142, 435848), (172, 359828), (181, 341936), (284, 217924), (301, 205616), (344, 179914), (362, 170968), (497, 124528), (568, 108962), (602, 102808), (688, 89957), (724, 85484), (994, 62264), (1136, 54481), (1204, 51404), (1267, 48848), (1448, 42742), (1988, 31132), (2408, 25702), (2534, 24424), (2896, 21371), (3053, 20272), (3976, 15566), (4816, 12851), (5068, 12212), (6106, 10136), (7783, 7952)]