15991255

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 23385600

約数和(自身を除く): 7394345

約数列:

[1, 5, 7, 19, 35, 95, 133, 139, 173, 665, 695, 865, 973, 1211, 2641, 3287, 4865, 6055, 13205, 16435, 18487, 23009, 24047, 92435, 115045, 120235, 168329, 456893, 841645, 2284465, 3198251, 15991255]

約数ペア:

[(1, 15991255), (5, 3198251), (7, 2284465), (19, 841645), (35, 456893), (95, 168329), (133, 120235), (139, 115045), (173, 92435), (665, 24047), (695, 23009), (865, 18487), (973, 16435), (1211, 13205), (2641, 6055), (3287, 4865)]