642728052

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{6197}}^1$

素因数の和:6317

約数の個数: 72

約数和(自身を含む): 1687541856

約数和(自身を除く): 1044813804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 67, 86, 129, 134, 172, 201, 258, 268, 387, 402, 516, 603, 774, 804, 1206, 1548, 2412, 2881, 5762, 6197, 8643, 11524, 12394, 17286, 18591, 24788, 25929, 34572, 37182, 51858, 55773, 74364, 103716, 111546, 223092, 266471, 415199, 532942, 799413, 830398, 1065884, 1245597, 1598826, 1660796, 2398239, 2491194, 3197652, 3736791, 4796478, 4982388, 7473582, 9592956, 14947164, 17853557, 35707114, 53560671, 71414228, 107121342, 160682013, 214242684, 321364026, 642728052]

約数ペア:

[(1, 642728052), (2, 321364026), (3, 214242684), (4, 160682013), (6, 107121342), (9, 71414228), (12, 53560671), (18, 35707114), (36, 17853557), (43, 14947164), (67, 9592956), (86, 7473582), (129, 4982388), (134, 4796478), (172, 3736791), (201, 3197652), (258, 2491194), (268, 2398239), (387, 1660796), (402, 1598826), (516, 1245597), (603, 1065884), (774, 830398), (804, 799413), (1206, 532942), (1548, 415199), (2412, 266471), (2881, 223092), (5762, 111546), (6197, 103716), (8643, 74364), (11524, 55773), (12394, 51858), (17286, 37182), (18591, 34572), (24788, 25929)]