28817118

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 72

約数和(自身を含む): 69837768

約数和(自身を除く): 41020650

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 101, 121, 131, 198, 202, 242, 262, 303, 363, 393, 606, 726, 786, 909, 1089, 1111, 1179, 1441, 1818, 2178, 2222, 2358, 2882, 3333, 4323, 6666, 8646, 9999, 12221, 12969, 13231, 15851, 19998, 24442, 25938, 26462, 31702, 36663, 39693, 47553, 73326, 79386, 95106, 109989, 119079, 142659, 145541, 219978, 238158, 285318, 291082, 436623, 873246, 1309869, 1600951, 2619738, 3201902, 4802853, 9605706, 14408559, 28817118]

約数ペア:

[(1, 28817118), (2, 14408559), (3, 9605706), (6, 4802853), (9, 3201902), (11, 2619738), (18, 1600951), (22, 1309869), (33, 873246), (66, 436623), (99, 291082), (101, 285318), (121, 238158), (131, 219978), (198, 145541), (202, 142659), (242, 119079), (262, 109989), (303, 95106), (363, 79386), (393, 73326), (606, 47553), (726, 39693), (786, 36663), (909, 31702), (1089, 26462), (1111, 25938), (1179, 24442), (1441, 19998), (1818, 15851), (2178, 13231), (2222, 12969), (2358, 12221), (2882, 9999), (3333, 8646), (4323, 6666)]