205659890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{7993}}^1$

素因数の和:8114

約数の個数: 32

約数和(自身を含む): 386781696

約数和(自身を除く): 181121806

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 2573, 5146, 7993, 12865, 15986, 25730, 39965, 79930, 247783, 495566, 663419, 1238915, 1326838, 2477830, 3317095, 6634190, 20565989, 41131978, 102829945, 205659890]

約数ペア:

[(1, 205659890), (2, 102829945), (5, 41131978), (10, 20565989), (31, 6634190), (62, 3317095), (83, 2477830), (155, 1326838), (166, 1238915), (310, 663419), (415, 495566), (830, 247783), (2573, 79930), (5146, 39965), (7993, 25730), (12865, 15986)]