2255864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 4620000

約数和(自身を除く): 2364136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 199, 218, 398, 436, 796, 872, 1417, 1592, 2587, 2834, 5174, 5668, 10348, 11336, 20696, 21691, 43382, 86764, 173528, 281983, 563966, 1127932, 2255864]

約数ペア:

[(1, 2255864), (2, 1127932), (4, 563966), (8, 281983), (13, 173528), (26, 86764), (52, 43382), (104, 21691), (109, 20696), (199, 11336), (218, 10348), (398, 5668), (436, 5174), (796, 2834), (872, 2587), (1417, 1592)]