72806538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 173260800

約数和(自身を除く): 100454262

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 199, 217, 281, 398, 434, 562, 597, 651, 843, 1194, 1302, 1393, 1686, 1967, 2786, 3934, 4179, 5901, 6169, 8358, 8711, 11802, 12338, 17422, 18507, 26133, 37014, 43183, 52266, 55919, 60977, 86366, 111838, 121954, 129549, 167757, 182931, 259098, 335514, 365862, 391433, 782866, 1174299, 1733489, 2348598, 3466978, 5200467, 10400934, 12134423, 24268846, 36403269, 72806538]

約数ペア:

[(1, 72806538), (2, 36403269), (3, 24268846), (6, 12134423), (7, 10400934), (14, 5200467), (21, 3466978), (31, 2348598), (42, 1733489), (62, 1174299), (93, 782866), (186, 391433), (199, 365862), (217, 335514), (281, 259098), (398, 182931), (434, 167757), (562, 129549), (597, 121954), (651, 111838), (843, 86366), (1194, 60977), (1302, 55919), (1393, 52266), (1686, 43183), (1967, 37014), (2786, 26133), (3934, 18507), (4179, 17422), (5901, 12338), (6169, 11802), (8358, 8711)]