90997175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 128563200

約数和(自身を除く): 37566025

約数列:

[1, 5, 17, 19, 25, 59, 85, 95, 191, 295, 323, 425, 475, 955, 1003, 1121, 1475, 1615, 3247, 3629, 4775, 5015, 5605, 8075, 11269, 16235, 18145, 19057, 25075, 28025, 56345, 61693, 81175, 90725, 95285, 191573, 214111, 281725, 308465, 476425, 957865, 1070555, 1542325, 3639887, 4789325, 5352775, 18199435, 90997175]

約数ペア:

[(1, 90997175), (5, 18199435), (17, 5352775), (19, 4789325), (25, 3639887), (59, 1542325), (85, 1070555), (95, 957865), (191, 476425), (295, 308465), (323, 281725), (425, 214111), (475, 191573), (955, 95285), (1003, 90725), (1121, 81175), (1475, 61693), (1615, 56345), (3247, 28025), (3629, 25075), (4775, 19057), (5015, 18145), (5605, 16235), (8075, 11269)]