77989808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5281}}^1$

素因数の和:5373

約数の個数: 40

約数和(自身を含む): 165051936

約数和(自身を除く): 87062128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 5281, 7384, 10562, 14768, 21124, 42248, 68653, 84496, 137306, 274612, 374951, 549224, 749902, 1098448, 1499804, 2999608, 4874363, 5999216, 9748726, 19497452, 38994904, 77989808]

約数ペア:

[(1, 77989808), (2, 38994904), (4, 19497452), (8, 9748726), (13, 5999216), (16, 4874363), (26, 2999608), (52, 1499804), (71, 1098448), (104, 749902), (142, 549224), (208, 374951), (284, 274612), (568, 137306), (923, 84496), (1136, 68653), (1846, 42248), (3692, 21124), (5281, 14768), (7384, 10562)]