221460965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3229}}^1$

素因数の和:3317

約数の個数: 32

約数和(自身を含む): 306979200

約数和(自身を除く): 85518235

約数列:

[1, 5, 11, 29, 43, 55, 145, 215, 319, 473, 1247, 1595, 2365, 3229, 6235, 13717, 16145, 35519, 68585, 93641, 138847, 177595, 468205, 694235, 1030051, 1527317, 4026563, 5150255, 7636585, 20132815, 44292193, 221460965]

約数ペア:

[(1, 221460965), (5, 44292193), (11, 20132815), (29, 7636585), (43, 5150255), (55, 4026563), (145, 1527317), (215, 1030051), (319, 694235), (473, 468205), (1247, 177595), (1595, 138847), (2365, 93641), (3229, 68585), (6235, 35519), (13717, 16145)]