1219671985

素因数分解:

$5^1\times 7^4\times {\mathrm{283}}^1\times {\mathrm{359}}^1$

素因数の和:675

約数の個数: 40

約数和(自身を含む): 1718245440

約数和(自身を除く): 498573455

約数列:

[1, 5, 7, 35, 49, 245, 283, 343, 359, 1415, 1715, 1795, 1981, 2401, 2513, 9905, 12005, 12565, 13867, 17591, 69335, 87955, 97069, 101597, 123137, 485345, 507985, 615685, 679483, 711179, 861959, 3397415, 3555895, 4309795, 4978253, 24891265, 34847771, 174238855, 243934397, 1219671985]

約数ペア:

[(1, 1219671985), (5, 243934397), (7, 174238855), (35, 34847771), (49, 24891265), (245, 4978253), (283, 4309795), (343, 3555895), (359, 3397415), (1415, 861959), (1715, 711179), (1795, 679483), (1981, 615685), (2401, 507985), (2513, 485345), (9905, 123137), (12005, 101597), (12565, 97069), (13867, 87955), (17591, 69335)]