214996985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{653}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 308897280

約数和(自身を除く): 93900295

約数列:

[1, 5, 7, 23, 35, 115, 161, 409, 653, 805, 2045, 2863, 3265, 4571, 9407, 14315, 15019, 22855, 47035, 65849, 75095, 105133, 267077, 329245, 525665, 1335385, 1869539, 6142771, 9347695, 30713855, 42999397, 214996985]

約数ペア:

[(1, 214996985), (5, 42999397), (7, 30713855), (23, 9347695), (35, 6142771), (115, 1869539), (161, 1335385), (409, 525665), (653, 329245), (805, 267077), (2045, 105133), (2863, 75095), (3265, 65849), (4571, 47035), (9407, 22855), (14315, 15019)]