291270775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 397501344

約数和(自身を除く): 106230569

約数列:

[1, 5, 17, 25, 53, 67, 85, 193, 265, 335, 425, 901, 965, 1139, 1325, 1675, 3281, 3551, 4505, 4825, 5695, 10229, 12931, 16405, 17755, 22525, 28475, 51145, 60367, 64655, 82025, 88775, 173893, 219827, 255725, 301835, 323275, 685343, 869465, 1099135, 1509175, 3426715, 4347325, 5495675, 11650831, 17133575, 58254155, 291270775]

約数ペア:

[(1, 291270775), (5, 58254155), (17, 17133575), (25, 11650831), (53, 5495675), (67, 4347325), (85, 3426715), (193, 1509175), (265, 1099135), (335, 869465), (425, 685343), (901, 323275), (965, 301835), (1139, 255725), (1325, 219827), (1675, 173893), (3281, 88775), (3551, 82025), (4505, 64655), (4825, 60367), (5695, 51145), (10229, 28475), (12931, 22525), (16405, 17755)]