68557775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 101326848

約数和(自身を除く): 32769073

約数列:

[1, 5, 11, 13, 25, 55, 65, 127, 143, 151, 275, 325, 635, 715, 755, 1397, 1651, 1661, 1963, 3175, 3575, 3775, 6985, 8255, 8305, 9815, 18161, 19177, 21593, 34925, 41275, 41525, 49075, 90805, 95885, 107965, 210947, 249301, 454025, 479425, 539825, 1054735, 1246505, 2742311, 5273675, 6232525, 13711555, 68557775]

約数ペア:

[(1, 68557775), (5, 13711555), (11, 6232525), (13, 5273675), (25, 2742311), (55, 1246505), (65, 1054735), (127, 539825), (143, 479425), (151, 454025), (275, 249301), (325, 210947), (635, 107965), (715, 95885), (755, 90805), (1397, 49075), (1651, 41525), (1661, 41275), (1963, 34925), (3175, 21593), (3575, 19177), (3775, 18161), (6985, 9815), (8255, 8305)]