80912718

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 181350000

約数和(自身を除く): 100437282

約数列:

[1, 2, 3, 6, 9, 18, 59, 61, 118, 122, 177, 183, 354, 366, 531, 549, 1062, 1098, 1249, 2498, 3599, 3747, 7198, 7494, 10797, 11241, 21594, 22482, 32391, 64782, 73691, 76189, 147382, 152378, 221073, 228567, 442146, 457134, 663219, 685701, 1326438, 1371402, 4495151, 8990302, 13485453, 26970906, 40456359, 80912718]

約数ペア:

[(1, 80912718), (2, 40456359), (3, 26970906), (6, 13485453), (9, 8990302), (18, 4495151), (59, 1371402), (61, 1326438), (118, 685701), (122, 663219), (177, 457134), (183, 442146), (354, 228567), (366, 221073), (531, 152378), (549, 147382), (1062, 76189), (1098, 73691), (1249, 64782), (2498, 32391), (3599, 22482), (3747, 21594), (7198, 11241), (7494, 10797)]