289901274

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1061}}^1$

素因数の和:1223

約数の個数: 64

約数和(自身を含む): 650861568

約数和(自身を除く): 360960294

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 113, 186, 226, 339, 403, 678, 806, 1061, 1209, 1469, 2122, 2418, 2938, 3183, 3503, 4407, 6366, 7006, 8814, 10509, 13793, 21018, 27586, 32891, 41379, 45539, 65782, 82758, 91078, 98673, 119893, 136617, 197346, 239786, 273234, 359679, 427583, 719358, 855166, 1282749, 1558609, 2565498, 3117218, 3716683, 4675827, 7433366, 9351654, 11150049, 22300098, 48316879, 96633758, 144950637, 289901274]

約数ペア:

[(1, 289901274), (2, 144950637), (3, 96633758), (6, 48316879), (13, 22300098), (26, 11150049), (31, 9351654), (39, 7433366), (62, 4675827), (78, 3716683), (93, 3117218), (113, 2565498), (186, 1558609), (226, 1282749), (339, 855166), (403, 719358), (678, 427583), (806, 359679), (1061, 273234), (1209, 239786), (1469, 197346), (2122, 136617), (2418, 119893), (2938, 98673), (3183, 91078), (3503, 82758), (4407, 65782), (6366, 45539), (7006, 41379), (8814, 32891), (10509, 27586), (13793, 21018)]