198759988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21977}}^1$

素因数の和:22024

約数の個数: 48

約数和(自身を含む): 443076480

約数和(自身を除く): 244316492

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, 21977, 43954, 87908, 153839, 307678, 373609, 417563, 615356, 747218, 835126, 1494436, 1670252, 2615263, 2922941, 5230526, 5845882, 7098571, 10461052, 11691764, 14197142, 28394284, 49689997, 99379994, 198759988]

約数ペア:

[(1, 198759988), (2, 99379994), (4, 49689997), (7, 28394284), (14, 14197142), (17, 11691764), (19, 10461052), (28, 7098571), (34, 5845882), (38, 5230526), (68, 2922941), (76, 2615263), (119, 1670252), (133, 1494436), (238, 835126), (266, 747218), (323, 615356), (476, 417563), (532, 373609), (646, 307678), (1292, 153839), (2261, 87908), (4522, 43954), (9044, 21977)]