161621244

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{9781}}^1$

素因数の和:9817

約数の個数: 72

約数和(自身を含む): 448641648

約数和(自身を除く): 287020404

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 486, 612, 918, 972, 1377, 1836, 2754, 4131, 5508, 8262, 9781, 16524, 19562, 29343, 39124, 58686, 88029, 117372, 166277, 176058, 264087, 332554, 352116, 498831, 528174, 665108, 792261, 997662, 1056348, 1496493, 1584522, 1995324, 2376783, 2992986, 3169044, 4489479, 4753566, 5985972, 8978958, 9507132, 13468437, 17957916, 26936874, 40405311, 53873748, 80810622, 161621244]

約数ペア:

[(1, 161621244), (2, 80810622), (3, 53873748), (4, 40405311), (6, 26936874), (9, 17957916), (12, 13468437), (17, 9507132), (18, 8978958), (27, 5985972), (34, 4753566), (36, 4489479), (51, 3169044), (54, 2992986), (68, 2376783), (81, 1995324), (102, 1584522), (108, 1496493), (153, 1056348), (162, 997662), (204, 792261), (243, 665108), (306, 528174), (324, 498831), (459, 352116), (486, 332554), (612, 264087), (918, 176058), (972, 166277), (1377, 117372), (1836, 88029), (2754, 58686), (4131, 39124), (5508, 29343), (8262, 19562), (9781, 16524)]