138420984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{911}}^1$

素因数の和:1420

約数の個数: 64

約数和(自身を含む): 373847040

約数和(自身を除く): 235426056

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 487, 911, 974, 1461, 1822, 1948, 2733, 2922, 3644, 3896, 5466, 5844, 6331, 7288, 10932, 11688, 11843, 12662, 18993, 21864, 23686, 25324, 35529, 37986, 47372, 50648, 71058, 75972, 94744, 142116, 151944, 284232, 443657, 887314, 1330971, 1774628, 2661942, 3549256, 5323884, 5767541, 10647768, 11535082, 17302623, 23070164, 34605246, 46140328, 69210492, 138420984]

約数ペア:

[(1, 138420984), (2, 69210492), (3, 46140328), (4, 34605246), (6, 23070164), (8, 17302623), (12, 11535082), (13, 10647768), (24, 5767541), (26, 5323884), (39, 3549256), (52, 2661942), (78, 1774628), (104, 1330971), (156, 887314), (312, 443657), (487, 284232), (911, 151944), (974, 142116), (1461, 94744), (1822, 75972), (1948, 71058), (2733, 50648), (2922, 47372), (3644, 37986), (3896, 35529), (5466, 25324), (5844, 23686), (6331, 21864), (7288, 18993), (10932, 12662), (11688, 11843)]