81956406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2293}}^1$

素因数の和:2365

約数の個数: 64

約数和(自身を含む): 200844288

約数和(自身を除く): 118887882

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 37, 42, 46, 69, 74, 111, 138, 161, 222, 259, 322, 483, 518, 777, 851, 966, 1554, 1702, 2293, 2553, 4586, 5106, 5957, 6879, 11914, 13758, 16051, 17871, 32102, 35742, 48153, 52739, 84841, 96306, 105478, 158217, 169682, 254523, 316434, 369173, 509046, 593887, 738346, 1107519, 1187774, 1781661, 1951343, 2215038, 3563322, 3902686, 5854029, 11708058, 13659401, 27318802, 40978203, 81956406]

約数ペア:

[(1, 81956406), (2, 40978203), (3, 27318802), (6, 13659401), (7, 11708058), (14, 5854029), (21, 3902686), (23, 3563322), (37, 2215038), (42, 1951343), (46, 1781661), (69, 1187774), (74, 1107519), (111, 738346), (138, 593887), (161, 509046), (222, 369173), (259, 316434), (322, 254523), (483, 169682), (518, 158217), (777, 105478), (851, 96306), (966, 84841), (1554, 52739), (1702, 48153), (2293, 35742), (2553, 32102), (4586, 17871), (5106, 16051), (5957, 13758), (6879, 11914)]