31312528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3203}}^1$

素因数の和:3271

約数の個数: 40

約数和(自身を含む): 66745728

約数和(自身を除く): 35433200

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 3203, 4888, 6406, 9776, 12812, 25624, 41639, 51248, 83278, 150541, 166556, 301082, 333112, 602164, 666224, 1204328, 1957033, 2408656, 3914066, 7828132, 15656264, 31312528]

約数ペア:

[(1, 31312528), (2, 15656264), (4, 7828132), (8, 3914066), (13, 2408656), (16, 1957033), (26, 1204328), (47, 666224), (52, 602164), (94, 333112), (104, 301082), (188, 166556), (208, 150541), (376, 83278), (611, 51248), (752, 41639), (1222, 25624), (2444, 12812), (3203, 9776), (4888, 6406)]