1649128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 3384360

約数和(自身を除く): 1735232

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 157, 202, 314, 404, 628, 808, 1256, 1313, 2041, 2626, 4082, 5252, 8164, 10504, 15857, 16328, 31714, 63428, 126856, 206141, 412282, 824564, 1649128]

約数ペア:

[(1, 1649128), (2, 824564), (4, 412282), (8, 206141), (13, 126856), (26, 63428), (52, 31714), (101, 16328), (104, 15857), (157, 10504), (202, 8164), (314, 5252), (404, 4082), (628, 2626), (808, 2041), (1256, 1313)]