138057790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{541}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 271372896

約数和(自身を除く): 133315106

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 169, 302, 338, 541, 755, 845, 1082, 1510, 1690, 1963, 2705, 3926, 5410, 7033, 9815, 14066, 19630, 25519, 35165, 51038, 70330, 81691, 91429, 127595, 163382, 182858, 255190, 408455, 457145, 816910, 914290, 1061983, 2123966, 5309915, 10619830, 13805779, 27611558, 69028895, 138057790]

約数ペア:

[(1, 138057790), (2, 69028895), (5, 27611558), (10, 13805779), (13, 10619830), (26, 5309915), (65, 2123966), (130, 1061983), (151, 914290), (169, 816910), (302, 457145), (338, 408455), (541, 255190), (755, 182858), (845, 163382), (1082, 127595), (1510, 91429), (1690, 81691), (1963, 70330), (2705, 51038), (3926, 35165), (5410, 25519), (7033, 19630), (9815, 14066)]