68368456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 143700480

約数和(自身を除く): 75332024

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 71, 94, 104, 142, 188, 197, 284, 376, 394, 568, 611, 788, 923, 1222, 1576, 1846, 2444, 2561, 3337, 3692, 4888, 5122, 6674, 7384, 9259, 10244, 13348, 13987, 18518, 20488, 26696, 27974, 37036, 43381, 55948, 74072, 86762, 111896, 120367, 173524, 181831, 240734, 347048, 363662, 481468, 657389, 727324, 962936, 1314778, 1454648, 2629556, 5259112, 8546057, 17092114, 34184228, 68368456]

約数ペア:

[(1, 68368456), (2, 34184228), (4, 17092114), (8, 8546057), (13, 5259112), (26, 2629556), (47, 1454648), (52, 1314778), (71, 962936), (94, 727324), (104, 657389), (142, 481468), (188, 363662), (197, 347048), (284, 240734), (376, 181831), (394, 173524), (568, 120367), (611, 111896), (788, 86762), (923, 74072), (1222, 55948), (1576, 43381), (1846, 37036), (2444, 27974), (2561, 26696), (3337, 20488), (3692, 18518), (4888, 13987), (5122, 13348), (6674, 10244), (7384, 9259)]