1990366558

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{601}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 3081758400

約数和(自身を除く): 1091391842

約数列:

[1, 2, 53, 106, 157, 199, 314, 398, 601, 1202, 8321, 10547, 16642, 21094, 31243, 31853, 62486, 63706, 94357, 119599, 188714, 239198, 1655879, 3311758, 5000921, 6338747, 10001842, 12677494, 18777043, 37554086, 995183279, 1990366558]

約数ペア:

[(1, 1990366558), (2, 995183279), (53, 37554086), (106, 18777043), (157, 12677494), (199, 10001842), (314, 6338747), (398, 5000921), (601, 3311758), (1202, 1655879), (8321, 239198), (10547, 188714), (16642, 119599), (21094, 94357), (31243, 63706), (31853, 62486)]