2808416

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 6131664

約数和(自身を除く): 3323248

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 157, 172, 208, 314, 344, 416, 559, 628, 688, 1118, 1256, 1376, 2041, 2236, 2512, 4082, 4472, 5024, 6751, 8164, 8944, 13502, 16328, 17888, 27004, 32656, 54008, 65312, 87763, 108016, 175526, 216032, 351052, 702104, 1404208, 2808416]

約数ペア:

[(1, 2808416), (2, 1404208), (4, 702104), (8, 351052), (13, 216032), (16, 175526), (26, 108016), (32, 87763), (43, 65312), (52, 54008), (86, 32656), (104, 27004), (157, 17888), (172, 16328), (208, 13502), (314, 8944), (344, 8164), (416, 6751), (559, 5024), (628, 4472), (688, 4082), (1118, 2512), (1256, 2236), (1376, 2041)]