31431088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1103}}^1$

素因数の和:1261

約数の個数: 40

約数和(自身を含む): 66120768

約数和(自身を除く): 34689680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 548, 1096, 1103, 1781, 2192, 2206, 3562, 4412, 7124, 8824, 14248, 14339, 17648, 28496, 28678, 57356, 114712, 151111, 229424, 302222, 604444, 1208888, 1964443, 2417776, 3928886, 7857772, 15715544, 31431088]

約数ペア:

[(1, 31431088), (2, 15715544), (4, 7857772), (8, 3928886), (13, 2417776), (16, 1964443), (26, 1208888), (52, 604444), (104, 302222), (137, 229424), (208, 151111), (274, 114712), (548, 57356), (1096, 28678), (1103, 28496), (1781, 17648), (2192, 14339), (2206, 14248), (3562, 8824), (4412, 7124)]