1645557904

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{739}}^1\times {\mathrm{4799}}^1$

素因数の和:5575

約数の個数: 40

約数和(自身を含む): 3303360000

約数和(自身を除く): 1657802096

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 739, 1478, 2956, 4799, 5912, 9598, 11824, 19196, 21431, 38392, 42862, 76784, 85724, 139171, 171448, 278342, 342896, 556684, 1113368, 2226736, 3546461, 7092922, 14185844, 28371688, 56743376, 102847369, 205694738, 411389476, 822778952, 1645557904]

約数ペア:

[(1, 1645557904), (2, 822778952), (4, 411389476), (8, 205694738), (16, 102847369), (29, 56743376), (58, 28371688), (116, 14185844), (232, 7092922), (464, 3546461), (739, 2226736), (1478, 1113368), (2956, 556684), (4799, 342896), (5912, 278342), (9598, 171448), (11824, 139171), (19196, 85724), (21431, 76784), (38392, 42862)]