388372502

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{2557}}^1$

素因数の和:3156

約数の個数: 32

約数和(自身を含む): 702324480

約数和(自身を除く): 313951978

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 571, 1142, 2557, 3997, 5114, 7994, 10849, 17899, 21698, 35798, 48583, 75943, 97166, 151886, 340081, 680162, 1460047, 2920094, 10220329, 20440658, 27740893, 55481786, 194186251, 388372502]

約数ペア:

[(1, 388372502), (2, 194186251), (7, 55481786), (14, 27740893), (19, 20440658), (38, 10220329), (133, 2920094), (266, 1460047), (571, 680162), (1142, 340081), (2557, 151886), (3997, 97166), (5114, 75943), (7994, 48583), (10849, 35798), (17899, 21698)]