78889083

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 138915840

約数和(自身を除く): 60026757

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 67, 91, 133, 201, 227, 247, 273, 399, 469, 681, 741, 871, 1273, 1407, 1589, 1729, 2613, 2951, 3819, 4313, 4767, 5187, 6097, 8853, 8911, 12939, 15209, 16549, 18291, 20657, 26733, 30191, 45627, 49647, 56069, 61971, 90573, 106463, 115843, 168207, 197717, 288971, 319389, 347529, 392483, 593151, 866913, 1177449, 1384019, 2022797, 3756623, 4152057, 6068391, 11269869, 26296361, 78889083]

約数ペア:

[(1, 78889083), (3, 26296361), (7, 11269869), (13, 6068391), (19, 4152057), (21, 3756623), (39, 2022797), (57, 1384019), (67, 1177449), (91, 866913), (133, 593151), (201, 392483), (227, 347529), (247, 319389), (273, 288971), (399, 197717), (469, 168207), (681, 115843), (741, 106463), (871, 90573), (1273, 61971), (1407, 56069), (1589, 49647), (1729, 45627), (2613, 30191), (2951, 26733), (3819, 20657), (4313, 18291), (4767, 16549), (5187, 15209), (6097, 12939), (8853, 8911)]