81477708

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1277}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 205400160

約数和(自身を除く): 123922452

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 409, 818, 1227, 1277, 1636, 2454, 2554, 3831, 4908, 5108, 5317, 7662, 10634, 15324, 15951, 16601, 21268, 31902, 33202, 49803, 63804, 66404, 99606, 199212, 522293, 1044586, 1566879, 2089172, 3133758, 6267516, 6789809, 13579618, 20369427, 27159236, 40738854, 81477708]

約数ペア:

[(1, 81477708), (2, 40738854), (3, 27159236), (4, 20369427), (6, 13579618), (12, 6789809), (13, 6267516), (26, 3133758), (39, 2089172), (52, 1566879), (78, 1044586), (156, 522293), (409, 199212), (818, 99606), (1227, 66404), (1277, 63804), (1636, 49803), (2454, 33202), (2554, 31902), (3831, 21268), (4908, 16601), (5108, 15951), (5317, 15324), (7662, 10634)]