4511728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 40

約数和(自身を含む): 9548000

約数和(自身を除く): 5036272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 199, 208, 218, 398, 436, 796, 872, 1417, 1592, 1744, 2587, 2834, 3184, 5174, 5668, 10348, 11336, 20696, 21691, 22672, 41392, 43382, 86764, 173528, 281983, 347056, 563966, 1127932, 2255864, 4511728]

約数ペア:

[(1, 4511728), (2, 2255864), (4, 1127932), (8, 563966), (13, 347056), (16, 281983), (26, 173528), (52, 86764), (104, 43382), (109, 41392), (199, 22672), (208, 21691), (218, 20696), (398, 11336), (436, 10348), (796, 5668), (872, 5174), (1417, 3184), (1592, 2834), (1744, 2587)]