81457324

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{2939}}^1$

素因数の和:3010

約数の個数: 36

約数和(自身を含む): 158177880

約数和(自身を除く): 76720556

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 169, 338, 533, 676, 1066, 2132, 2939, 5878, 6929, 11756, 13858, 27716, 38207, 76414, 120499, 152828, 240998, 481996, 496691, 993382, 1566487, 1986764, 3132974, 6265948, 20364331, 40728662, 81457324]

約数ペア:

[(1, 81457324), (2, 40728662), (4, 20364331), (13, 6265948), (26, 3132974), (41, 1986764), (52, 1566487), (82, 993382), (164, 496691), (169, 481996), (338, 240998), (533, 152828), (676, 120499), (1066, 76414), (2132, 38207), (2939, 27716), (5878, 13858), (6929, 11756)]