181878138

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3517}}^1$

素因数の和:3568

約数の個数: 72

約数和(自身を含む): 451943388

約数和(自身を除く): 270065250

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 169, 221, 234, 306, 338, 442, 507, 663, 1014, 1326, 1521, 1989, 2873, 3042, 3517, 3978, 5746, 7034, 8619, 10551, 17238, 21102, 25857, 31653, 45721, 51714, 59789, 63306, 91442, 119578, 137163, 179367, 274326, 358734, 411489, 538101, 594373, 777257, 822978, 1076202, 1188746, 1554514, 1783119, 2331771, 3566238, 4663542, 5349357, 6995313, 10104341, 10698714, 13990626, 20208682, 30313023, 60626046, 90939069, 181878138]

約数ペア:

[(1, 181878138), (2, 90939069), (3, 60626046), (6, 30313023), (9, 20208682), (13, 13990626), (17, 10698714), (18, 10104341), (26, 6995313), (34, 5349357), (39, 4663542), (51, 3566238), (78, 2331771), (102, 1783119), (117, 1554514), (153, 1188746), (169, 1076202), (221, 822978), (234, 777257), (306, 594373), (338, 538101), (442, 411489), (507, 358734), (663, 274326), (1014, 179367), (1326, 137163), (1521, 119578), (1989, 91442), (2873, 63306), (3042, 59789), (3517, 51714), (3978, 45721), (5746, 31653), (7034, 25857), (8619, 21102), (10551, 17238)]