28886508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1451}}^1$

素因数の和:1547

約数の個数: 72

約数和(自身を含む): 84564480

約数和(自身を除く): 55677972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1106, 1422, 1451, 1659, 2212, 2844, 2902, 3318, 4353, 4977, 5804, 6636, 8706, 9954, 10157, 13059, 17412, 19908, 20314, 26118, 30471, 40628, 52236, 60942, 91413, 114629, 121884, 182826, 229258, 343887, 365652, 458516, 687774, 802403, 1031661, 1375548, 1604806, 2063322, 2407209, 3209612, 4126644, 4814418, 7221627, 9628836, 14443254, 28886508]

約数ペア:

[(1, 28886508), (2, 14443254), (3, 9628836), (4, 7221627), (6, 4814418), (7, 4126644), (9, 3209612), (12, 2407209), (14, 2063322), (18, 1604806), (21, 1375548), (28, 1031661), (36, 802403), (42, 687774), (63, 458516), (79, 365652), (84, 343887), (126, 229258), (158, 182826), (237, 121884), (252, 114629), (316, 91413), (474, 60942), (553, 52236), (711, 40628), (948, 30471), (1106, 26118), (1422, 20314), (1451, 19908), (1659, 17412), (2212, 13059), (2844, 10157), (2902, 9954), (3318, 8706), (4353, 6636), (4977, 5804)]