12820912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1163}}^1$

素因数の和:1237

約数の個数: 40

約数和(自身を含む): 27279504

約数和(自身を除く): 14458592

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1163, 1378, 2326, 2756, 4652, 5512, 9304, 11024, 15119, 18608, 30238, 60476, 61639, 120952, 123278, 241904, 246556, 493112, 801307, 986224, 1602614, 3205228, 6410456, 12820912]

約数ペア:

[(1, 12820912), (2, 6410456), (4, 3205228), (8, 1602614), (13, 986224), (16, 801307), (26, 493112), (52, 246556), (53, 241904), (104, 123278), (106, 120952), (208, 61639), (212, 60476), (424, 30238), (689, 18608), (848, 15119), (1163, 11024), (1378, 9304), (2326, 5512), (2756, 4652)]