878909994

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{9967}}^1$

素因数の和:10072

約数の個数: 64

約数和(自身を含む): 2066964480

約数和(自身を除く): 1188054486

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 71, 138, 142, 207, 213, 414, 426, 621, 639, 1242, 1278, 1633, 1917, 3266, 3834, 4899, 9798, 9967, 14697, 19934, 29394, 29901, 44091, 59802, 88182, 89703, 179406, 229241, 269109, 458482, 538218, 687723, 707657, 1375446, 1415314, 2063169, 2122971, 4126338, 4245942, 6189507, 6368913, 12379014, 12737826, 16276111, 19106739, 32552222, 38213478, 48828333, 97656666, 146484999, 292969998, 439454997, 878909994]

約数ペア:

[(1, 878909994), (2, 439454997), (3, 292969998), (6, 146484999), (9, 97656666), (18, 48828333), (23, 38213478), (27, 32552222), (46, 19106739), (54, 16276111), (69, 12737826), (71, 12379014), (138, 6368913), (142, 6189507), (207, 4245942), (213, 4126338), (414, 2122971), (426, 2063169), (621, 1415314), (639, 1375446), (1242, 707657), (1278, 687723), (1633, 538218), (1917, 458482), (3266, 269109), (3834, 229241), (4899, 179406), (9798, 89703), (9967, 88182), (14697, 59802), (19934, 44091), (29394, 29901)]