664286364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{13381}}^1$

素因数の和:13595

約数の個数: 72

約数和(自身を含む): 1928935008

約数和(自身を除く): 1264648644

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, 4137, 5516, 7092, 8274, 12411, 13381, 16548, 24822, 26762, 40143, 49644, 53524, 80286, 93667, 120429, 160572, 187334, 240858, 281001, 374668, 481716, 562002, 843003, 1124004, 1686006, 2636057, 3372012, 5272114, 7908171, 10544228, 15816342, 18452399, 23724513, 31632684, 36904798, 47449026, 55357197, 73809596, 94898052, 110714394, 166071591, 221428788, 332143182, 664286364]

約数ペア:

[(1, 664286364), (2, 332143182), (3, 221428788), (4, 166071591), (6, 110714394), (7, 94898052), (9, 73809596), (12, 55357197), (14, 47449026), (18, 36904798), (21, 31632684), (28, 23724513), (36, 18452399), (42, 15816342), (63, 10544228), (84, 7908171), (126, 5272114), (197, 3372012), (252, 2636057), (394, 1686006), (591, 1124004), (788, 843003), (1182, 562002), (1379, 481716), (1773, 374668), (2364, 281001), (2758, 240858), (3546, 187334), (4137, 160572), (5516, 120429), (7092, 93667), (8274, 80286), (12411, 53524), (13381, 49644), (16548, 40143), (24822, 26762)]