28067935

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 15368801

約数列:

[1, 5, 7, 17, 23, 35, 49, 85, 115, 119, 161, 245, 293, 391, 595, 805, 833, 1127, 1465, 1955, 2051, 2737, 4165, 4981, 5635, 6739, 10255, 13685, 14357, 19159, 24905, 33695, 34867, 47173, 71785, 95795, 114563, 174335, 235865, 244069, 330211, 572815, 801941, 1220345, 1651055, 4009705, 5613587, 28067935]

約数ペア:

[(1, 28067935), (5, 5613587), (7, 4009705), (17, 1651055), (23, 1220345), (35, 801941), (49, 572815), (85, 330211), (115, 244069), (119, 235865), (161, 174335), (245, 114563), (293, 95795), (391, 71785), (595, 47173), (805, 34867), (833, 33695), (1127, 24905), (1465, 19159), (1955, 14357), (2051, 13685), (2737, 10255), (4165, 6739), (4981, 5635)]