81770312

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2014

約数の個数: 48

約数和(自身を含む): 171463680

約数和(自身を除く): 89693368

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 676, 806, 1352, 1612, 1951, 3224, 3902, 5239, 7804, 10478, 15608, 20956, 25363, 41912, 50726, 60481, 101452, 120962, 202904, 241924, 329719, 483848, 659438, 786253, 1318876, 1572506, 2637752, 3145012, 6290024, 10221289, 20442578, 40885156, 81770312]

約数ペア:

[(1, 81770312), (2, 40885156), (4, 20442578), (8, 10221289), (13, 6290024), (26, 3145012), (31, 2637752), (52, 1572506), (62, 1318876), (104, 786253), (124, 659438), (169, 483848), (248, 329719), (338, 241924), (403, 202904), (676, 120962), (806, 101452), (1352, 60481), (1612, 50726), (1951, 41912), (3224, 25363), (3902, 20956), (5239, 15608), (7804, 10478)]