661440147258

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{21187781}}^1$

素因数の和:21187851

約数の個数: 48

約数和(自身を含む): 1487890803168

約数和(自身を除く): 826450655910

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 121, 129, 242, 258, 363, 473, 726, 946, 1419, 2838, 5203, 10406, 15609, 31218, 21187781, 42375562, 63563343, 127126686, 233065591, 466131182, 699196773, 911074583, 1398393546, 1822149166, 2563721501, 2733223749, 5127443002, 5466447498, 7691164503, 10021820413, 15382329006, 20043640826, 30065461239, 60130922478, 110240024543, 220480049086, 330720073629, 661440147258]

約数ペア:

[(1, 661440147258), (2, 330720073629), (3, 220480049086), (6, 110240024543), (11, 60130922478), (22, 30065461239), (33, 20043640826), (43, 15382329006), (66, 10021820413), (86, 7691164503), (121, 5466447498), (129, 5127443002), (242, 2733223749), (258, 2563721501), (363, 1822149166), (473, 1398393546), (726, 911074583), (946, 699196773), (1419, 466131182), (2838, 233065591), (5203, 127126686), (10406, 63563343), (15609, 42375562), (31218, 21187781)]