2009007028

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{222137}}^1$

素因数の和:222184

約数の個数: 48

約数和(自身を含む): 4478302080

約数和(自身を除く): 2469295052

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 4522, 9044, 222137, 444274, 888548, 1554959, 3109918, 3776329, 4220603, 6219836, 7552658, 8441206, 15105316, 16882412, 26434303, 29544221, 52868606, 59088442, 71750251, 105737212, 118176884, 143500502, 287001004, 502251757, 1004503514, 2009007028]

約数ペア:

[(1, 2009007028), (2, 1004503514), (4, 502251757), (7, 287001004), (14, 143500502), (17, 118176884), (19, 105737212), (28, 71750251), (34, 59088442), (38, 52868606), (68, 29544221), (76, 26434303), (119, 16882412), (133, 15105316), (238, 8441206), (266, 7552658), (323, 6219836), (476, 4220603), (532, 3776329), (646, 3109918), (1292, 1554959), (2261, 888548), (4522, 444274), (9044, 222137)]