222531355

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 284356800

約数和(自身を除く): 61825445

約数列:

[1, 5, 29, 61, 139, 145, 181, 305, 695, 905, 1769, 4031, 5249, 8479, 8845, 11041, 20155, 25159, 26245, 42395, 55205, 125795, 245891, 320189, 729611, 1229455, 1534699, 1600945, 3648055, 7673495, 44506271, 222531355]

約数ペア:

[(1, 222531355), (5, 44506271), (29, 7673495), (61, 3648055), (139, 1600945), (145, 1534699), (181, 1229455), (305, 729611), (695, 320189), (905, 245891), (1769, 125795), (4031, 55205), (5249, 42395), (8479, 26245), (8845, 25159), (11041, 20155)]