245864906

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 451215360

約数和(自身を除く): 205350454

約数列:

[1, 2, 7, 14, 31, 62, 71, 79, 101, 142, 158, 202, 217, 434, 497, 553, 707, 994, 1106, 1414, 2201, 2449, 3131, 4402, 4898, 5609, 6262, 7171, 7979, 11218, 14342, 15407, 15958, 17143, 21917, 30814, 34286, 39263, 43834, 50197, 55853, 78526, 100394, 111706, 173879, 222301, 247349, 347758, 444602, 494698, 566509, 1133018, 1217153, 1556107, 1731443, 2434306, 3112214, 3462886, 3965563, 7931126, 17561779, 35123558, 122932453, 245864906]

約数ペア:

[(1, 245864906), (2, 122932453), (7, 35123558), (14, 17561779), (31, 7931126), (62, 3965563), (71, 3462886), (79, 3112214), (101, 2434306), (142, 1731443), (158, 1556107), (202, 1217153), (217, 1133018), (434, 566509), (497, 494698), (553, 444602), (707, 347758), (994, 247349), (1106, 222301), (1414, 173879), (2201, 111706), (2449, 100394), (3131, 78526), (4402, 55853), (4898, 50197), (5609, 43834), (6262, 39263), (7171, 34286), (7979, 30814), (11218, 21917), (14342, 17143), (15407, 15958)]