189789012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3823}}^1$

素因数の和:4037

約数の個数: 72

約数和(自身を含む): 551206656

約数和(自身を除く): 361417644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 788, 1182, 1379, 1773, 2364, 2758, 3546, 3823, 4137, 5516, 7092, 7646, 8274, 11469, 12411, 15292, 16548, 22938, 24822, 26761, 34407, 45876, 49644, 53522, 68814, 80283, 107044, 137628, 160566, 240849, 321132, 481698, 753131, 963396, 1506262, 2259393, 3012524, 4518786, 5271917, 6778179, 9037572, 10543834, 13556358, 15815751, 21087668, 27112716, 31631502, 47447253, 63263004, 94894506, 189789012]

約数ペア:

[(1, 189789012), (2, 94894506), (3, 63263004), (4, 47447253), (6, 31631502), (7, 27112716), (9, 21087668), (12, 15815751), (14, 13556358), (18, 10543834), (21, 9037572), (28, 6778179), (36, 5271917), (42, 4518786), (63, 3012524), (84, 2259393), (126, 1506262), (197, 963396), (252, 753131), (394, 481698), (591, 321132), (788, 240849), (1182, 160566), (1379, 137628), (1773, 107044), (2364, 80283), (2758, 68814), (3546, 53522), (3823, 49644), (4137, 45876), (5516, 34407), (7092, 26761), (7646, 24822), (8274, 22938), (11469, 16548), (12411, 15292)]