81965364

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1065

約数の個数: 96

約数和(自身を含む): 225340416

約数和(自身を除く): 143375052

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 31, 34, 39, 51, 52, 62, 68, 78, 93, 102, 124, 156, 186, 204, 221, 372, 403, 442, 527, 663, 806, 884, 997, 1054, 1209, 1326, 1581, 1612, 1994, 2108, 2418, 2652, 2991, 3162, 3988, 4836, 5982, 6324, 6851, 11964, 12961, 13702, 16949, 20553, 25922, 27404, 30907, 33898, 38883, 41106, 50847, 51844, 61814, 67796, 77766, 82212, 92721, 101694, 123628, 155532, 185442, 203388, 220337, 370884, 401791, 440674, 525419, 661011, 803582, 881348, 1050838, 1205373, 1322022, 1576257, 1607164, 2101676, 2410746, 2644044, 3152514, 4821492, 6305028, 6830447, 13660894, 20491341, 27321788, 40982682, 81965364]

約数ペア:

[(1, 81965364), (2, 40982682), (3, 27321788), (4, 20491341), (6, 13660894), (12, 6830447), (13, 6305028), (17, 4821492), (26, 3152514), (31, 2644044), (34, 2410746), (39, 2101676), (51, 1607164), (52, 1576257), (62, 1322022), (68, 1205373), (78, 1050838), (93, 881348), (102, 803582), (124, 661011), (156, 525419), (186, 440674), (204, 401791), (221, 370884), (372, 220337), (403, 203388), (442, 185442), (527, 155532), (663, 123628), (806, 101694), (884, 92721), (997, 82212), (1054, 77766), (1209, 67796), (1326, 61814), (1581, 51844), (1612, 50847), (1994, 41106), (2108, 38883), (2418, 33898), (2652, 30907), (2991, 27404), (3162, 25922), (3988, 20553), (4836, 16949), (5982, 13702), (6324, 12961), (6851, 11964)]