161838352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1392

約数の個数: 80

約数和(自身を含む): 367198720

約数和(自身を除く): 205360368

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1321, 1612, 1976, 2356, 2642, 3224, 3952, 4712, 5284, 6448, 7657, 9424, 10568, 15314, 17173, 21136, 25099, 30628, 34346, 40951, 50198, 61256, 68692, 81902, 100396, 122512, 137384, 163804, 200792, 274768, 326287, 327608, 401584, 532363, 652574, 655216, 778069, 1064726, 1305148, 1556138, 2129452, 2610296, 3112276, 4258904, 5220592, 6224552, 8517808, 10114897, 12449104, 20229794, 40459588, 80919176, 161838352]

約数ペア:

[(1, 161838352), (2, 80919176), (4, 40459588), (8, 20229794), (13, 12449104), (16, 10114897), (19, 8517808), (26, 6224552), (31, 5220592), (38, 4258904), (52, 3112276), (62, 2610296), (76, 2129452), (104, 1556138), (124, 1305148), (152, 1064726), (208, 778069), (247, 655216), (248, 652574), (304, 532363), (403, 401584), (494, 327608), (496, 326287), (589, 274768), (806, 200792), (988, 163804), (1178, 137384), (1321, 122512), (1612, 100396), (1976, 81902), (2356, 68692), (2642, 61256), (3224, 50198), (3952, 40951), (4712, 34346), (5284, 30628), (6448, 25099), (7657, 21136), (9424, 17173), (10568, 15314)]