271475555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 387459072

約数和(自身を除く): 115983517

約数列:

[1, 5, 13, 23, 41, 43, 65, 103, 115, 205, 215, 299, 515, 533, 559, 943, 989, 1339, 1495, 1763, 2369, 2665, 2795, 4223, 4429, 4715, 4945, 6695, 8815, 11845, 12259, 12857, 21115, 22145, 22919, 30797, 40549, 54899, 57577, 61295, 64285, 97129, 101867, 114595, 153985, 181589, 202745, 274495, 287885, 485645, 509335, 527137, 907945, 1262677, 1324271, 2360657, 2635685, 4176547, 6313385, 6621355, 11803285, 20882735, 54295111, 271475555]

約数ペア:

[(1, 271475555), (5, 54295111), (13, 20882735), (23, 11803285), (41, 6621355), (43, 6313385), (65, 4176547), (103, 2635685), (115, 2360657), (205, 1324271), (215, 1262677), (299, 907945), (515, 527137), (533, 509335), (559, 485645), (943, 287885), (989, 274495), (1339, 202745), (1495, 181589), (1763, 153985), (2369, 114595), (2665, 101867), (2795, 97129), (4223, 64285), (4429, 61295), (4715, 57577), (4945, 54899), (6695, 40549), (8815, 30797), (11845, 22919), (12259, 22145), (12857, 21115)]