9998954

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 17875200

約数和(自身を除く): 7876246

約数列:

[1, 2, 7, 14, 37, 74, 97, 194, 199, 259, 398, 518, 679, 1358, 1393, 2786, 3589, 7178, 7363, 14726, 19303, 25123, 38606, 50246, 51541, 103082, 135121, 270242, 714211, 1428422, 4999477, 9998954]

約数ペア:

[(1, 9998954), (2, 4999477), (7, 1428422), (14, 714211), (37, 270242), (74, 135121), (97, 103082), (194, 51541), (199, 50246), (259, 38606), (398, 25123), (518, 19303), (679, 14726), (1358, 7363), (1393, 7178), (2786, 3589)]