161987712

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{18341}}^1$

素因数の和:18381

約数の個数: 64

約数和(自身を含む): 449012160

約数和(自身を除く): 287024448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 276, 368, 384, 552, 736, 1104, 1472, 2208, 2944, 4416, 8832, 18341, 36682, 55023, 73364, 110046, 146728, 220092, 293456, 421843, 440184, 586912, 843686, 880368, 1173824, 1265529, 1687372, 1760736, 2347648, 2531058, 3374744, 3521472, 5062116, 6749488, 7042944, 10124232, 13498976, 20248464, 26997952, 40496928, 53995904, 80993856, 161987712]

約数ペア:

[(1, 161987712), (2, 80993856), (3, 53995904), (4, 40496928), (6, 26997952), (8, 20248464), (12, 13498976), (16, 10124232), (23, 7042944), (24, 6749488), (32, 5062116), (46, 3521472), (48, 3374744), (64, 2531058), (69, 2347648), (92, 1760736), (96, 1687372), (128, 1265529), (138, 1173824), (184, 880368), (192, 843686), (276, 586912), (368, 440184), (384, 421843), (552, 293456), (736, 220092), (1104, 146728), (1472, 110046), (2208, 73364), (2944, 55023), (4416, 36682), (8832, 18341)]