31396625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{139}}^2$

素因数の和:306

約数の個数: 24

約数和(自身を含む): 42502824

約数和(自身を除く): 11106199

約数列:

[1, 5, 13, 25, 65, 125, 139, 325, 695, 1625, 1807, 3475, 9035, 17375, 19321, 45175, 96605, 225875, 251173, 483025, 1255865, 2415125, 6279325, 31396625]

約数ペア:

[(1, 31396625), (5, 6279325), (13, 2415125), (25, 1255865), (65, 483025), (125, 251173), (139, 225875), (325, 96605), (695, 45175), (1625, 19321), (1807, 17375), (3475, 9035)]