313456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:169

約数の個数: 40

約数和(自身を含む): 718704

約数和(自身を除く): 405248

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 137, 143, 176, 208, 274, 286, 548, 572, 1096, 1144, 1507, 1781, 2192, 2288, 3014, 3562, 6028, 7124, 12056, 14248, 19591, 24112, 28496, 39182, 78364, 156728, 313456]

約数ペア:

[(1, 313456), (2, 156728), (4, 78364), (8, 39182), (11, 28496), (13, 24112), (16, 19591), (22, 14248), (26, 12056), (44, 7124), (52, 6028), (88, 3562), (104, 3014), (137, 2288), (143, 2192), (176, 1781), (208, 1507), (274, 1144), (286, 1096), (548, 572)]