289489475

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{1153}}^1$

素因数の和:1268

約数の個数: 36

約数和(自身を含む): 399667128

約数和(自身を除く): 110177653

約数列:

[1, 5, 11, 25, 55, 83, 121, 275, 415, 605, 913, 1153, 2075, 3025, 4565, 5765, 10043, 12683, 22825, 28825, 50215, 63415, 95699, 139513, 251075, 317075, 478495, 697565, 1052689, 2392475, 3487825, 5263445, 11579579, 26317225, 57897895, 289489475]

約数ペア:

[(1, 289489475), (5, 57897895), (11, 26317225), (25, 11579579), (55, 5263445), (83, 3487825), (121, 2392475), (275, 1052689), (415, 697565), (605, 478495), (913, 317075), (1153, 251075), (2075, 139513), (3025, 95699), (4565, 63415), (5765, 50215), (10043, 28825), (12683, 22825)]