1855804525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 2437219008

約数和(自身を除く): 581414483

約数列:

[1, 5, 25, 41, 61, 67, 205, 305, 335, 443, 1025, 1525, 1675, 2215, 2501, 2747, 4087, 11075, 12505, 13735, 18163, 20435, 27023, 29681, 62525, 68675, 90815, 102175, 135115, 148405, 167567, 454075, 675575, 742025, 837835, 1107943, 1216921, 1810541, 4189175, 5539715, 6084605, 9052705, 27698575, 30423025, 45263525, 74232181, 371160905, 1855804525]

約数ペア:

[(1, 1855804525), (5, 371160905), (25, 74232181), (41, 45263525), (61, 30423025), (67, 27698575), (205, 9052705), (305, 6084605), (335, 5539715), (443, 4189175), (1025, 1810541), (1525, 1216921), (1675, 1107943), (2215, 837835), (2501, 742025), (2747, 675575), (4087, 454075), (11075, 167567), (12505, 148405), (13735, 135115), (18163, 102175), (20435, 90815), (27023, 68675), (29681, 62525)]