129121758

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:718

約数の個数: 72

約数和(自身を含む): 305263296

約数和(自身を除く): 176141538

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 93, 114, 171, 186, 279, 342, 361, 558, 589, 641, 722, 1083, 1178, 1282, 1767, 1923, 2166, 3249, 3534, 3846, 5301, 5769, 6498, 10602, 11191, 11538, 12179, 19871, 22382, 24358, 33573, 36537, 39742, 59613, 67146, 73074, 100719, 109611, 119226, 178839, 201438, 219222, 231401, 357678, 377549, 462802, 694203, 755098, 1132647, 1388406, 2082609, 2265294, 3397941, 4165218, 6795882, 7173431, 14346862, 21520293, 43040586, 64560879, 129121758]

約数ペア:

[(1, 129121758), (2, 64560879), (3, 43040586), (6, 21520293), (9, 14346862), (18, 7173431), (19, 6795882), (31, 4165218), (38, 3397941), (57, 2265294), (62, 2082609), (93, 1388406), (114, 1132647), (171, 755098), (186, 694203), (279, 462802), (342, 377549), (361, 357678), (558, 231401), (589, 219222), (641, 201438), (722, 178839), (1083, 119226), (1178, 109611), (1282, 100719), (1767, 73074), (1923, 67146), (2166, 59613), (3249, 39742), (3534, 36537), (3846, 33573), (5301, 24358), (5769, 22382), (6498, 19871), (10602, 12179), (11191, 11538)]