1661476895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{241}}^1\times {\mathrm{367}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 2296576128

約数和(自身を除く): 635099233

約数列:

[1, 5, 13, 17, 65, 85, 221, 241, 289, 367, 1105, 1205, 1445, 1835, 3133, 3757, 4097, 4771, 6239, 15665, 18785, 20485, 23855, 31195, 53261, 69649, 81107, 88447, 106063, 266305, 348245, 405535, 442235, 530315, 905437, 1149811, 1378819, 1503599, 4527185, 5749055, 6894095, 7517995, 19546787, 25561183, 97733935, 127805915, 332295379, 1661476895]

約数ペア:

[(1, 1661476895), (5, 332295379), (13, 127805915), (17, 97733935), (65, 25561183), (85, 19546787), (221, 7517995), (241, 6894095), (289, 5749055), (367, 4527185), (1105, 1503599), (1205, 1378819), (1445, 1149811), (1835, 905437), (3133, 530315), (3757, 442235), (4097, 405535), (4771, 348245), (6239, 266305), (15665, 106063), (18785, 88447), (20485, 81107), (23855, 69649), (31195, 53261)]