221433995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 291409920

約数和(自身を除く): 69975925

約数列:

[1, 5, 23, 29, 67, 115, 145, 335, 667, 991, 1541, 1943, 3335, 4955, 7705, 9715, 22793, 28739, 44689, 66397, 113965, 143695, 223445, 331985, 660997, 1527131, 1925513, 3304985, 7635655, 9627565, 44286799, 221433995]

約数ペア:

[(1, 221433995), (5, 44286799), (23, 9627565), (29, 7635655), (67, 3304985), (115, 1925513), (145, 1527131), (335, 660997), (667, 331985), (991, 223445), (1541, 143695), (1943, 113965), (3335, 66397), (4955, 44689), (7705, 28739), (9715, 22793)]