87481808

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{89633}}^1$

素因数の和:89702

約数の個数: 20

約数和(自身を含む): 172276548

約数和(自身を除く): 84794740

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 89633, 179266, 358532, 717064, 1434128, 5467613, 10935226, 21870452, 43740904, 87481808]

約数ペア:

[(1, 87481808), (2, 43740904), (4, 21870452), (8, 10935226), (16, 5467613), (61, 1434128), (122, 717064), (244, 358532), (488, 179266), (976, 89633)]