83971568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2221}}^1$

素因数の和:2385

約数の個数: 40

約数和(自身を含む): 173582640

約数和(自身を除く): 89611072

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 556, 1112, 2221, 2224, 2363, 4442, 4726, 8884, 9452, 17768, 18904, 35536, 37757, 37808, 75514, 151028, 302056, 308719, 604112, 617438, 1234876, 2469752, 4939504, 5248223, 10496446, 20992892, 41985784, 83971568]

約数ペア:

[(1, 83971568), (2, 41985784), (4, 20992892), (8, 10496446), (16, 5248223), (17, 4939504), (34, 2469752), (68, 1234876), (136, 617438), (139, 604112), (272, 308719), (278, 302056), (556, 151028), (1112, 75514), (2221, 37808), (2224, 37757), (2363, 35536), (4442, 18904), (4726, 17768), (8884, 9452)]