73878515

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 102120480

約数和(自身を除く): 28241965

約数列:

[1, 5, 17, 29, 41, 43, 85, 145, 205, 215, 289, 493, 697, 731, 1189, 1247, 1445, 1763, 2465, 3485, 3655, 5945, 6235, 8381, 8815, 11849, 12427, 20213, 21199, 29971, 41905, 51127, 59245, 62135, 101065, 105995, 149855, 255635, 343621, 360383, 509507, 869159, 1718105, 1801915, 2547535, 4345795, 14775703, 73878515]

約数ペア:

[(1, 73878515), (5, 14775703), (17, 4345795), (29, 2547535), (41, 1801915), (43, 1718105), (85, 869159), (145, 509507), (205, 360383), (215, 343621), (289, 255635), (493, 149855), (697, 105995), (731, 101065), (1189, 62135), (1247, 59245), (1445, 51127), (1763, 41905), (2465, 29971), (3485, 21199), (3655, 20213), (5945, 12427), (6235, 11849), (8381, 8815)]