217565488

素因数分解:

$2^4\times 7^2\times {\mathrm{359}}^1\times {\mathrm{773}}^1$

素因数の和:1154

約数の個数: 60

約数和(自身を含む): 492356880

約数和(自身を除く): 274791392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 359, 392, 718, 773, 784, 1436, 1546, 2513, 2872, 3092, 5026, 5411, 5744, 6184, 10052, 10822, 12368, 17591, 20104, 21644, 35182, 37877, 40208, 43288, 70364, 75754, 86576, 140728, 151508, 277507, 281456, 303016, 555014, 606032, 1110028, 1942549, 2220056, 3885098, 4440112, 7770196, 13597843, 15540392, 27195686, 31080784, 54391372, 108782744, 217565488]

約数ペア:

[(1, 217565488), (2, 108782744), (4, 54391372), (7, 31080784), (8, 27195686), (14, 15540392), (16, 13597843), (28, 7770196), (49, 4440112), (56, 3885098), (98, 2220056), (112, 1942549), (196, 1110028), (359, 606032), (392, 555014), (718, 303016), (773, 281456), (784, 277507), (1436, 151508), (1546, 140728), (2513, 86576), (2872, 75754), (3092, 70364), (5026, 43288), (5411, 40208), (5744, 37877), (6184, 35182), (10052, 21644), (10822, 20104), (12368, 17591)]