138876530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{46447}}^1$

素因数の和:46490

約数の個数: 32

約数和(自身を含む): 280917504

約数和(自身を除く): 142040974

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 46447, 92894, 232235, 464470, 603811, 1068281, 1207622, 2136562, 3019055, 5341405, 6038110, 10682810, 13887653, 27775306, 69438265, 138876530]

約数ペア:

[(1, 138876530), (2, 69438265), (5, 27775306), (10, 13887653), (13, 10682810), (23, 6038110), (26, 5341405), (46, 3019055), (65, 2136562), (115, 1207622), (130, 1068281), (230, 603811), (299, 464470), (598, 232235), (1495, 92894), (2990, 46447)]