161404308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{977}}^1$

素因数の和:1353

約数の個数: 72

約数和(自身を含む): 441074088

約数和(自身を除く): 279669780

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 353, 468, 706, 977, 1059, 1412, 1954, 2118, 2931, 3177, 3908, 4236, 4589, 5862, 6354, 8793, 9178, 11724, 12701, 12708, 13767, 17586, 18356, 25402, 27534, 35172, 38103, 41301, 50804, 55068, 76206, 82602, 114309, 152412, 165204, 228618, 344881, 457236, 689762, 1034643, 1379524, 2069286, 3103929, 4138572, 4483453, 6207858, 8966906, 12415716, 13450359, 17933812, 26900718, 40351077, 53801436, 80702154, 161404308]

約数ペア:

[(1, 161404308), (2, 80702154), (3, 53801436), (4, 40351077), (6, 26900718), (9, 17933812), (12, 13450359), (13, 12415716), (18, 8966906), (26, 6207858), (36, 4483453), (39, 4138572), (52, 3103929), (78, 2069286), (117, 1379524), (156, 1034643), (234, 689762), (353, 457236), (468, 344881), (706, 228618), (977, 165204), (1059, 152412), (1412, 114309), (1954, 82602), (2118, 76206), (2931, 55068), (3177, 50804), (3908, 41301), (4236, 38103), (4589, 35172), (5862, 27534), (6354, 25402), (8793, 18356), (9178, 17586), (11724, 13767), (12701, 12708)]