1895690615

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{21149}}^1$

素因数の和:21371

約数の個数: 32

約数和(自身を含む): 2814134400

約数和(自身を除く): 918443785

約数列:

[1, 5, 7, 13, 35, 65, 91, 197, 455, 985, 1379, 2561, 6895, 12805, 17927, 21149, 89635, 105745, 148043, 274937, 740215, 1374685, 1924559, 4166353, 9622795, 20831765, 29164471, 54162589, 145822355, 270812945, 379138123, 1895690615]

約数ペア:

[(1, 1895690615), (5, 379138123), (7, 270812945), (13, 145822355), (35, 54162589), (65, 29164471), (91, 20831765), (197, 9622795), (455, 4166353), (985, 1924559), (1379, 1374685), (2561, 740215), (6895, 274937), (12805, 148043), (17927, 105745), (21149, 89635)]