61531994

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 99840000

約数和(自身を除く): 38308006

約数列:

[1, 2, 19, 38, 79, 103, 158, 199, 206, 398, 1501, 1957, 3002, 3781, 3914, 7562, 8137, 15721, 16274, 20497, 31442, 40994, 154603, 298699, 309206, 389443, 597398, 778886, 1619263, 3238526, 30765997, 61531994]

約数ペア:

[(1, 61531994), (2, 30765997), (19, 3238526), (38, 1619263), (79, 778886), (103, 597398), (158, 389443), (199, 309206), (206, 298699), (398, 154603), (1501, 40994), (1957, 31442), (3002, 20497), (3781, 16274), (3914, 15721), (7562, 8137)]