77731690

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{2089}}^1$

素因数の和:2218

約数の個数: 24

約数和(自身を含む): 142316460

約数和(自身を除く): 64584770

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 2089, 3721, 4178, 7442, 10445, 18605, 20890, 37210, 127429, 254858, 637145, 1274290, 7773169, 15546338, 38865845, 77731690]

約数ペア:

[(1, 77731690), (2, 38865845), (5, 15546338), (10, 7773169), (61, 1274290), (122, 637145), (305, 254858), (610, 127429), (2089, 37210), (3721, 20890), (4178, 18605), (7442, 10445)]