221530552

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{1367}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 425502720

約数和(自身を除く): 203972168

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 431, 862, 1367, 1724, 2734, 3448, 5468, 10936, 20257, 40514, 64249, 81028, 128498, 162056, 256996, 513992, 589177, 1178354, 2356708, 4713416, 27691319, 55382638, 110765276, 221530552]

約数ペア:

[(1, 221530552), (2, 110765276), (4, 55382638), (8, 27691319), (47, 4713416), (94, 2356708), (188, 1178354), (376, 589177), (431, 513992), (862, 256996), (1367, 162056), (1724, 128498), (2734, 81028), (3448, 64249), (5468, 40514), (10936, 20257)]