71786275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1300

約数の個数: 36

約数和(自身を含む): 103075000

約数和(自身を除く): 31288725

約数列:

[1, 5, 11, 19, 25, 55, 95, 121, 209, 275, 475, 605, 1045, 1249, 2299, 3025, 5225, 6245, 11495, 13739, 23731, 31225, 57475, 68695, 118655, 151129, 261041, 343475, 593275, 755645, 1305205, 2871451, 3778225, 6526025, 14357255, 71786275]

約数ペア:

[(1, 71786275), (5, 14357255), (11, 6526025), (19, 3778225), (25, 2871451), (55, 1305205), (95, 755645), (121, 593275), (209, 343475), (275, 261041), (475, 151129), (605, 118655), (1045, 68695), (1249, 57475), (2299, 31225), (3025, 23731), (5225, 13739), (6245, 11495)]