139426805

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 205856640

約数和(自身を除く): 66429835

約数列:

[1, 5, 7, 23, 35, 49, 109, 115, 161, 227, 245, 545, 763, 805, 1127, 1135, 1589, 2507, 3815, 5221, 5341, 5635, 7945, 11123, 12535, 17549, 24743, 26105, 26705, 36547, 55615, 87745, 122843, 123715, 173201, 182735, 255829, 569089, 614215, 866005, 1212407, 1279145, 2845445, 3983623, 6062035, 19918115, 27885361, 139426805]

約数ペア:

[(1, 139426805), (5, 27885361), (7, 19918115), (23, 6062035), (35, 3983623), (49, 2845445), (109, 1279145), (115, 1212407), (161, 866005), (227, 614215), (245, 569089), (545, 255829), (763, 182735), (805, 173201), (1127, 123715), (1135, 122843), (1589, 87745), (2507, 55615), (3815, 36547), (5221, 26705), (5341, 26105), (5635, 24743), (7945, 17549), (11123, 12535)]