2181530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 4297104

約数和(自身を除く): 2115574

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 173, 194, 346, 485, 865, 970, 1261, 1730, 2249, 2522, 4498, 6305, 11245, 12610, 16781, 22490, 33562, 83905, 167810, 218153, 436306, 1090765, 2181530]

約数ペア:

[(1, 2181530), (2, 1090765), (5, 436306), (10, 218153), (13, 167810), (26, 83905), (65, 33562), (97, 22490), (130, 16781), (173, 12610), (194, 11245), (346, 6305), (485, 4498), (865, 2522), (970, 2249), (1261, 1730)]