1247809738

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{20627}}^1$

素因数の和:20814

約数の個数: 32

約数和(自身を含む): 2227824000

約数和(自身を除く): 980014262

約数列:

[1, 2, 7, 14, 29, 58, 149, 203, 298, 406, 1043, 2086, 4321, 8642, 20627, 30247, 41254, 60494, 144389, 288778, 598183, 1196366, 3073423, 4187281, 6146846, 8374562, 21513961, 43027922, 89129267, 178258534, 623904869, 1247809738]

約数ペア:

[(1, 1247809738), (2, 623904869), (7, 178258534), (14, 89129267), (29, 43027922), (58, 21513961), (149, 8374562), (203, 6146846), (298, 4187281), (406, 3073423), (1043, 1196366), (2086, 598183), (4321, 288778), (8642, 144389), (20627, 60494), (30247, 41254)]