17992850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 35060256

約数和(自身を除く): 17067406

約数列:

[1, 2, 5, 10, 25, 41, 50, 67, 82, 131, 134, 205, 262, 335, 410, 655, 670, 1025, 1310, 1675, 2050, 2747, 3275, 3350, 5371, 5494, 6550, 8777, 10742, 13735, 17554, 26855, 27470, 43885, 53710, 68675, 87770, 134275, 137350, 219425, 268550, 359857, 438850, 719714, 1799285, 3598570, 8996425, 17992850]

約数ペア:

[(1, 17992850), (2, 8996425), (5, 3598570), (10, 1799285), (25, 719714), (41, 438850), (50, 359857), (67, 268550), (82, 219425), (131, 137350), (134, 134275), (205, 87770), (262, 68675), (335, 53710), (410, 43885), (655, 27470), (670, 26855), (1025, 17554), (1310, 13735), (1675, 10742), (2050, 8777), (2747, 6550), (3275, 5494), (3350, 5371)]