251891738

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{1637}}^1$

素因数の和:2054

約数の個数: 32

約数和(自身を含む): 448156800

約数和(自身を除く): 196265062

約数列:

[1, 2, 7, 14, 29, 58, 203, 379, 406, 758, 1637, 2653, 3274, 5306, 10991, 11459, 21982, 22918, 47473, 76937, 94946, 153874, 332311, 620423, 664622, 1240846, 4342961, 8685922, 17992267, 35984534, 125945869, 251891738]

約数ペア:

[(1, 251891738), (2, 125945869), (7, 35984534), (14, 17992267), (29, 8685922), (58, 4342961), (203, 1240846), (379, 664622), (406, 620423), (758, 332311), (1637, 153874), (2653, 94946), (3274, 76937), (5306, 47473), (10991, 22918), (11459, 21982)]