28312956

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2203}}^1$

素因数の和:2240

約数の個数: 96

約数和(自身を含む): 88865280

約数和(自身を除く): 60552324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 84, 102, 108, 119, 126, 153, 189, 204, 238, 252, 306, 357, 378, 459, 476, 612, 714, 756, 918, 1071, 1428, 1836, 2142, 2203, 3213, 4284, 4406, 6426, 6609, 8812, 12852, 13218, 15421, 19827, 26436, 30842, 37451, 39654, 46263, 59481, 61684, 74902, 79308, 92526, 112353, 118962, 138789, 149804, 185052, 224706, 237924, 262157, 277578, 337059, 416367, 449412, 524314, 555156, 674118, 786471, 832734, 1011177, 1048628, 1348236, 1572942, 1665468, 2022354, 2359413, 3145884, 4044708, 4718826, 7078239, 9437652, 14156478, 28312956]

約数ペア:

[(1, 28312956), (2, 14156478), (3, 9437652), (4, 7078239), (6, 4718826), (7, 4044708), (9, 3145884), (12, 2359413), (14, 2022354), (17, 1665468), (18, 1572942), (21, 1348236), (27, 1048628), (28, 1011177), (34, 832734), (36, 786471), (42, 674118), (51, 555156), (54, 524314), (63, 449412), (68, 416367), (84, 337059), (102, 277578), (108, 262157), (119, 237924), (126, 224706), (153, 185052), (189, 149804), (204, 138789), (238, 118962), (252, 112353), (306, 92526), (357, 79308), (378, 74902), (459, 61684), (476, 59481), (612, 46263), (714, 39654), (756, 37451), (918, 30842), (1071, 26436), (1428, 19827), (1836, 15421), (2142, 13218), (2203, 12852), (3213, 8812), (4284, 6609), (4406, 6426)]