156678715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 204120000

約数和(自身を除く): 47441285

約数列:

[1, 5, 17, 85, 89, 139, 149, 445, 695, 745, 1513, 2363, 2533, 7565, 11815, 12371, 12665, 13261, 20711, 61855, 66305, 103555, 210307, 225437, 352087, 1051535, 1127185, 1760435, 1843279, 9216395, 31335743, 156678715]

約数ペア:

[(1, 156678715), (5, 31335743), (17, 9216395), (85, 1843279), (89, 1760435), (139, 1127185), (149, 1051535), (445, 352087), (695, 225437), (745, 210307), (1513, 103555), (2363, 66305), (2533, 61855), (7565, 20711), (11815, 13261), (12371, 12665)]