81805988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 161638848

約数和(自身を除く): 79832860

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 137, 164, 274, 331, 451, 548, 662, 902, 1324, 1507, 1804, 3014, 3641, 5617, 6028, 7282, 11234, 13571, 14564, 22468, 27142, 45347, 54284, 61787, 90694, 123574, 149281, 181388, 247148, 298562, 498817, 597124, 997634, 1859227, 1995268, 3718454, 7436908, 20451497, 40902994, 81805988]

約数ペア:

[(1, 81805988), (2, 40902994), (4, 20451497), (11, 7436908), (22, 3718454), (41, 1995268), (44, 1859227), (82, 997634), (137, 597124), (164, 498817), (274, 298562), (331, 247148), (451, 181388), (548, 149281), (662, 123574), (902, 90694), (1324, 61787), (1507, 54284), (1804, 45347), (3014, 27142), (3641, 22468), (5617, 14564), (6028, 13571), (7282, 11234)]