80491212

素因数分解:

$2^2\times 3^3\times {\mathrm{787}}^1\times {\mathrm{947}}^1$

素因数の和:1747

約数の個数: 48

約数和(自身を含む): 209166720

約数和(自身を除く): 128675508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 787, 947, 1574, 1894, 2361, 2841, 3148, 3788, 4722, 5682, 7083, 8523, 9444, 11364, 14166, 17046, 21249, 25569, 28332, 34092, 42498, 51138, 84996, 102276, 745289, 1490578, 2235867, 2981156, 4471734, 6707601, 8943468, 13415202, 20122803, 26830404, 40245606, 80491212]

約数ペア:

[(1, 80491212), (2, 40245606), (3, 26830404), (4, 20122803), (6, 13415202), (9, 8943468), (12, 6707601), (18, 4471734), (27, 2981156), (36, 2235867), (54, 1490578), (108, 745289), (787, 102276), (947, 84996), (1574, 51138), (1894, 42498), (2361, 34092), (2841, 28332), (3148, 25569), (3788, 21249), (4722, 17046), (5682, 14166), (7083, 11364), (8523, 9444)]