28912212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3701}}^1$

素因数の和:3749

約数の個数: 72

約数和(自身を含む): 86241792

約数和(自身を除く): 57329580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3701, 3906, 7402, 7812, 11103, 14804, 22206, 25907, 33309, 44412, 51814, 66618, 77721, 103628, 114731, 133236, 155442, 229462, 233163, 310884, 344193, 458924, 466326, 688386, 803117, 932652, 1032579, 1376772, 1606234, 2065158, 2409351, 3212468, 4130316, 4818702, 7228053, 9637404, 14456106, 28912212]

約数ペア:

[(1, 28912212), (2, 14456106), (3, 9637404), (4, 7228053), (6, 4818702), (7, 4130316), (9, 3212468), (12, 2409351), (14, 2065158), (18, 1606234), (21, 1376772), (28, 1032579), (31, 932652), (36, 803117), (42, 688386), (62, 466326), (63, 458924), (84, 344193), (93, 310884), (124, 233163), (126, 229462), (186, 155442), (217, 133236), (252, 114731), (279, 103628), (372, 77721), (434, 66618), (558, 51814), (651, 44412), (868, 33309), (1116, 25907), (1302, 22206), (1953, 14804), (2604, 11103), (3701, 7812), (3906, 7402)]