155211858

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 341827200

約数和(自身を除く): 186615342

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 239, 327, 331, 478, 654, 662, 717, 981, 993, 1434, 1962, 1986, 2151, 2979, 4302, 5958, 26051, 36079, 52102, 72158, 78153, 79109, 108237, 156306, 158218, 216474, 234459, 237327, 324711, 468918, 474654, 649422, 711981, 1423962, 8622881, 17245762, 25868643, 51737286, 77605929, 155211858]

約数ペア:

[(1, 155211858), (2, 77605929), (3, 51737286), (6, 25868643), (9, 17245762), (18, 8622881), (109, 1423962), (218, 711981), (239, 649422), (327, 474654), (331, 468918), (478, 324711), (654, 237327), (662, 234459), (717, 216474), (981, 158218), (993, 156306), (1434, 108237), (1962, 79109), (1986, 78153), (2151, 72158), (2979, 52102), (4302, 36079), (5958, 26051)]