87793475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{773}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 138205440

約数和(自身を除く): 50411965

約数列:

[1, 5, 7, 11, 25, 35, 55, 59, 77, 175, 275, 295, 385, 413, 649, 773, 1475, 1925, 2065, 3245, 3865, 4543, 5411, 8503, 10325, 16225, 19325, 22715, 27055, 42515, 45607, 59521, 113575, 135275, 212575, 228035, 297605, 319249, 501677, 1140175, 1488025, 1596245, 2508385, 3511739, 7981225, 12541925, 17558695, 87793475]

約数ペア:

[(1, 87793475), (5, 17558695), (7, 12541925), (11, 7981225), (25, 3511739), (35, 2508385), (55, 1596245), (59, 1488025), (77, 1140175), (175, 501677), (275, 319249), (295, 297605), (385, 228035), (413, 212575), (649, 135275), (773, 113575), (1475, 59521), (1925, 45607), (2065, 42515), (3245, 27055), (3865, 22715), (4543, 19325), (5411, 16225), (8503, 10325)]