81390078

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{8389}}^1$

素因数の和:8422

約数の個数: 72

約数和(自身を含む): 223811640

約数和(自身を除く): 142421562

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 882, 1078, 1386, 1617, 3234, 4851, 8389, 9702, 16778, 25167, 50334, 58723, 75501, 92279, 117446, 151002, 176169, 184558, 276837, 352338, 411061, 528507, 553674, 645953, 822122, 830511, 1057014, 1233183, 1291906, 1661022, 1937859, 2466366, 3699549, 3875718, 4521671, 5813577, 7399098, 9043342, 11627154, 13565013, 27130026, 40695039, 81390078]

約数ペア:

[(1, 81390078), (2, 40695039), (3, 27130026), (6, 13565013), (7, 11627154), (9, 9043342), (11, 7399098), (14, 5813577), (18, 4521671), (21, 3875718), (22, 3699549), (33, 2466366), (42, 1937859), (49, 1661022), (63, 1291906), (66, 1233183), (77, 1057014), (98, 830511), (99, 822122), (126, 645953), (147, 553674), (154, 528507), (198, 411061), (231, 352338), (294, 276837), (441, 184558), (462, 176169), (539, 151002), (693, 117446), (882, 92279), (1078, 75501), (1386, 58723), (1617, 50334), (3234, 25167), (4851, 16778), (8389, 9702)]