39712519

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 51904512

約数和(自身を除く): 12191993

約数列:

[1, 7, 11, 31, 77, 127, 131, 217, 341, 889, 917, 1397, 1441, 2387, 3937, 4061, 9779, 10087, 16637, 27559, 28427, 43307, 44671, 116459, 183007, 303149, 312697, 515747, 1281049, 3610229, 5673217, 39712519]

約数ペア:

[(1, 39712519), (7, 5673217), (11, 3610229), (31, 1281049), (77, 515747), (127, 312697), (131, 303149), (217, 183007), (341, 116459), (889, 44671), (917, 43307), (1397, 28427), (1441, 27559), (2387, 16637), (3937, 10087), (4061, 9779)]