253571215

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 327444480

約数和(自身を除く): 73873265

約数列:

[1, 5, 29, 43, 67, 145, 215, 335, 607, 1247, 1943, 2881, 3035, 6235, 9715, 14405, 17603, 26101, 40669, 83549, 88015, 130505, 203345, 417745, 756929, 1179401, 1748767, 3784645, 5897005, 8743835, 50714243, 253571215]

約数ペア:

[(1, 253571215), (5, 50714243), (29, 8743835), (43, 5897005), (67, 3784645), (145, 1748767), (215, 1179401), (335, 756929), (607, 417745), (1247, 203345), (1943, 130505), (2881, 88015), (3035, 83549), (6235, 40669), (9715, 26101), (14405, 17603)]