12997369

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 17418240

約数和(自身を除く): 4420871

約数列:

[1, 7, 11, 23, 41, 77, 161, 179, 253, 287, 451, 943, 1253, 1771, 1969, 3157, 4117, 6601, 7339, 10373, 13783, 28819, 45287, 51373, 72611, 80729, 168797, 317009, 565103, 1181579, 1856767, 12997369]

約数ペア:

[(1, 12997369), (7, 1856767), (11, 1181579), (23, 565103), (41, 317009), (77, 168797), (161, 80729), (179, 72611), (253, 51373), (287, 45287), (451, 28819), (943, 13783), (1253, 10373), (1771, 7339), (1969, 6601), (3157, 4117)]