2018916676

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{571}}^1\times {\mathrm{641}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 4071779712

約数和(自身を除く): 2052863036

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 571, 641, 788, 1142, 1282, 1379, 2284, 2564, 2758, 3997, 4487, 5516, 7994, 8974, 15988, 17948, 112487, 126277, 224974, 252554, 366011, 449948, 505108, 732022, 787409, 883939, 1464044, 1574818, 1767878, 2562077, 3149636, 3535756, 5124154, 10248308, 72104167, 144208334, 288416668, 504729169, 1009458338, 2018916676]

約数ペア:

[(1, 2018916676), (2, 1009458338), (4, 504729169), (7, 288416668), (14, 144208334), (28, 72104167), (197, 10248308), (394, 5124154), (571, 3535756), (641, 3149636), (788, 2562077), (1142, 1767878), (1282, 1574818), (1379, 1464044), (2284, 883939), (2564, 787409), (2758, 732022), (3997, 505108), (4487, 449948), (5516, 366011), (7994, 252554), (8974, 224974), (15988, 126277), (17948, 112487)]