208839512

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 456261120

約数和(自身を除く): 247421608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 163, 167, 274, 326, 334, 548, 652, 668, 959, 1096, 1141, 1169, 1304, 1336, 1918, 2282, 2338, 3836, 4564, 4676, 7672, 9128, 9352, 22331, 22879, 27221, 44662, 45758, 54442, 89324, 91516, 108884, 156317, 160153, 178648, 183032, 190547, 217768, 312634, 320306, 381094, 625268, 640612, 762188, 1250536, 1281224, 1524376, 3729277, 7458554, 14917108, 26104939, 29834216, 52209878, 104419756, 208839512]

約数ペア:

[(1, 208839512), (2, 104419756), (4, 52209878), (7, 29834216), (8, 26104939), (14, 14917108), (28, 7458554), (56, 3729277), (137, 1524376), (163, 1281224), (167, 1250536), (274, 762188), (326, 640612), (334, 625268), (548, 381094), (652, 320306), (668, 312634), (959, 217768), (1096, 190547), (1141, 183032), (1169, 178648), (1304, 160153), (1336, 156317), (1918, 108884), (2282, 91516), (2338, 89324), (3836, 54442), (4564, 45758), (4676, 44662), (7672, 27221), (9128, 22879), (9352, 22331)]