258263586

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1721}}^1$

素因数の和:2136

約数の個数: 64

約数和(自身を含む): 657941760

約数和(自身を除く): 399678174

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 397, 794, 1191, 1721, 2382, 2779, 3442, 3573, 5163, 5558, 7146, 8337, 10326, 10719, 12047, 15489, 16674, 21438, 24094, 25011, 30978, 36141, 46467, 50022, 72282, 75033, 92934, 108423, 150066, 216846, 325269, 650538, 683237, 1366474, 2049711, 4099422, 4782659, 6149133, 9565318, 12298266, 14347977, 18447399, 28695954, 36894798, 43043931, 86087862, 129131793, 258263586]

約数ペア:

[(1, 258263586), (2, 129131793), (3, 86087862), (6, 43043931), (7, 36894798), (9, 28695954), (14, 18447399), (18, 14347977), (21, 12298266), (27, 9565318), (42, 6149133), (54, 4782659), (63, 4099422), (126, 2049711), (189, 1366474), (378, 683237), (397, 650538), (794, 325269), (1191, 216846), (1721, 150066), (2382, 108423), (2779, 92934), (3442, 75033), (3573, 72282), (5163, 50022), (5558, 46467), (7146, 36141), (8337, 30978), (10326, 25011), (10719, 24094), (12047, 21438), (15489, 16674)]