81559128

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 239016960

約数和(自身を除く): 157457832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 223, 294, 311, 392, 446, 588, 622, 669, 892, 933, 1176, 1244, 1338, 1561, 1784, 1866, 2177, 2488, 2676, 3122, 3732, 4354, 4683, 5352, 6244, 6531, 7464, 8708, 9366, 10927, 12488, 13062, 15239, 17416, 18732, 21854, 26124, 30478, 32781, 37464, 43708, 45717, 52248, 60956, 65562, 69353, 87416, 91434, 121912, 131124, 138706, 182868, 208059, 262248, 277412, 365736, 416118, 485471, 554824, 832236, 970942, 1456413, 1664472, 1941884, 2912826, 3398297, 3883768, 5825652, 6796594, 10194891, 11651304, 13593188, 20389782, 27186376, 40779564, 81559128]

約数ペア:

[(1, 81559128), (2, 40779564), (3, 27186376), (4, 20389782), (6, 13593188), (7, 11651304), (8, 10194891), (12, 6796594), (14, 5825652), (21, 3883768), (24, 3398297), (28, 2912826), (42, 1941884), (49, 1664472), (56, 1456413), (84, 970942), (98, 832236), (147, 554824), (168, 485471), (196, 416118), (223, 365736), (294, 277412), (311, 262248), (392, 208059), (446, 182868), (588, 138706), (622, 131124), (669, 121912), (892, 91434), (933, 87416), (1176, 69353), (1244, 65562), (1338, 60956), (1561, 52248), (1784, 45717), (1866, 43708), (2177, 37464), (2488, 32781), (2676, 30478), (3122, 26124), (3732, 21854), (4354, 18732), (4683, 17416), (5352, 15239), (6244, 13062), (6531, 12488), (7464, 10927), (8708, 9366)]