199517778

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{587}}^1\times {\mathrm{821}}^1$

素因数の和:1439

約数の個数: 48

約数和(自身を含む): 452402496

約数和(自身を除く): 252884718

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 587, 821, 1174, 1642, 1761, 2463, 3522, 4926, 5283, 7389, 10566, 13501, 14778, 18883, 27002, 37766, 40503, 56649, 81006, 113298, 121509, 169947, 243018, 339894, 481927, 963854, 1445781, 2891562, 4337343, 8674686, 11084321, 22168642, 33252963, 66505926, 99758889, 199517778]

約数ペア:

[(1, 199517778), (2, 99758889), (3, 66505926), (6, 33252963), (9, 22168642), (18, 11084321), (23, 8674686), (46, 4337343), (69, 2891562), (138, 1445781), (207, 963854), (414, 481927), (587, 339894), (821, 243018), (1174, 169947), (1642, 121509), (1761, 113298), (2463, 81006), (3522, 56649), (4926, 40503), (5283, 37766), (7389, 27002), (10566, 18883), (13501, 14778)]