208956852

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{977}}^1$

素因数の和:1457

約数の個数: 72

約数和(自身を含む): 570655176

約数和(自身を除く): 361698324

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 457, 468, 914, 977, 1371, 1828, 1954, 2742, 2931, 3908, 4113, 5484, 5862, 5941, 8226, 8793, 11724, 11882, 12701, 16452, 17586, 17823, 23764, 25402, 35172, 35646, 38103, 50804, 53469, 71292, 76206, 106938, 114309, 152412, 213876, 228618, 446489, 457236, 892978, 1339467, 1785956, 2678934, 4018401, 5357868, 5804357, 8036802, 11608714, 16073604, 17413071, 23217428, 34826142, 52239213, 69652284, 104478426, 208956852]

約数ペア:

[(1, 208956852), (2, 104478426), (3, 69652284), (4, 52239213), (6, 34826142), (9, 23217428), (12, 17413071), (13, 16073604), (18, 11608714), (26, 8036802), (36, 5804357), (39, 5357868), (52, 4018401), (78, 2678934), (117, 1785956), (156, 1339467), (234, 892978), (457, 457236), (468, 446489), (914, 228618), (977, 213876), (1371, 152412), (1828, 114309), (1954, 106938), (2742, 76206), (2931, 71292), (3908, 53469), (4113, 50804), (5484, 38103), (5862, 35646), (5941, 35172), (8226, 25402), (8793, 23764), (11724, 17823), (11882, 17586), (12701, 16452)]