221446225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8849}}^1$

素因数の和:8890

約数の個数: 48

約数和(自身を含む): 368726400

約数和(自身を除く): 147280175

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1925, 2275, 3575, 5005, 8849, 25025, 44245, 61943, 97339, 115037, 221225, 309715, 486695, 575185, 681373, 805259, 1265407, 1548575, 2433475, 2875925, 3406865, 4026295, 6327035, 8857849, 17034325, 20131475, 31635175, 44289245, 221446225]

約数ペア:

[(1, 221446225), (5, 44289245), (7, 31635175), (11, 20131475), (13, 17034325), (25, 8857849), (35, 6327035), (55, 4026295), (65, 3406865), (77, 2875925), (91, 2433475), (143, 1548575), (175, 1265407), (275, 805259), (325, 681373), (385, 575185), (455, 486695), (715, 309715), (1001, 221225), (1925, 115037), (2275, 97339), (3575, 61943), (5005, 44245), (8849, 25025)]