207716795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 323979264

約数和(自身を除く): 116262469

約数列:

[1, 5, 11, 13, 17, 23, 55, 65, 85, 115, 143, 187, 221, 253, 299, 391, 715, 743, 935, 1105, 1265, 1495, 1955, 2431, 3289, 3715, 4301, 5083, 8173, 9659, 12155, 12631, 16445, 17089, 21505, 25415, 40865, 48295, 55913, 63155, 85445, 106249, 138941, 164203, 187979, 222157, 279565, 290513, 531245, 694705, 821015, 939895, 1110785, 1452565, 1806233, 2443727, 3195643, 3776669, 9031165, 12218635, 15978215, 18883345, 41543359, 207716795]

約数ペア:

[(1, 207716795), (5, 41543359), (11, 18883345), (13, 15978215), (17, 12218635), (23, 9031165), (55, 3776669), (65, 3195643), (85, 2443727), (115, 1806233), (143, 1452565), (187, 1110785), (221, 939895), (253, 821015), (299, 694705), (391, 531245), (715, 290513), (743, 279565), (935, 222157), (1105, 187979), (1265, 164203), (1495, 138941), (1955, 106249), (2431, 85445), (3289, 63155), (3715, 55913), (4301, 48295), (5083, 40865), (8173, 25415), (9659, 21505), (12155, 17089), (12631, 16445)]