74031855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 131580288

約数和(自身を除く): 57548433

約数列:

[1, 3, 5, 15, 17, 41, 51, 73, 85, 97, 123, 205, 219, 255, 291, 365, 485, 615, 697, 1095, 1241, 1455, 1649, 2091, 2993, 3485, 3723, 3977, 4947, 6205, 7081, 8245, 8979, 10455, 11931, 14965, 18615, 19885, 21243, 24735, 35405, 44895, 50881, 59655, 67609, 106215, 120377, 152643, 202827, 254405, 290321, 338045, 361131, 601885, 763215, 870963, 1014135, 1451605, 1805655, 4354815, 4935457, 14806371, 24677285, 74031855]

約数ペア:

[(1, 74031855), (3, 24677285), (5, 14806371), (15, 4935457), (17, 4354815), (41, 1805655), (51, 1451605), (73, 1014135), (85, 870963), (97, 763215), (123, 601885), (205, 361131), (219, 338045), (255, 290321), (291, 254405), (365, 202827), (485, 152643), (615, 120377), (697, 106215), (1095, 67609), (1241, 59655), (1455, 50881), (1649, 44895), (2091, 35405), (2993, 24735), (3485, 21243), (3723, 19885), (3977, 18615), (4947, 14965), (6205, 11931), (7081, 10455), (8245, 8979)]