639634556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 1284780000

約数和(自身を除く): 645145444

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 199, 229, 242, 319, 398, 458, 484, 638, 796, 916, 1276, 2189, 2519, 3509, 4378, 5038, 5771, 6641, 7018, 8756, 10076, 11542, 13282, 14036, 23084, 24079, 26564, 27709, 45571, 48158, 55418, 63481, 73051, 91142, 96316, 110836, 126962, 146102, 182284, 253924, 292204, 501281, 698291, 803561, 1002562, 1321559, 1396582, 1607122, 2005124, 2643118, 2793164, 3214244, 5286236, 5514091, 11028182, 14537149, 22056364, 29074298, 58148596, 159908639, 319817278, 639634556]

約数ペア:

[(1, 639634556), (2, 319817278), (4, 159908639), (11, 58148596), (22, 29074298), (29, 22056364), (44, 14537149), (58, 11028182), (116, 5514091), (121, 5286236), (199, 3214244), (229, 2793164), (242, 2643118), (319, 2005124), (398, 1607122), (458, 1396582), (484, 1321559), (638, 1002562), (796, 803561), (916, 698291), (1276, 501281), (2189, 292204), (2519, 253924), (3509, 182284), (4378, 146102), (5038, 126962), (5771, 110836), (6641, 96316), (7018, 91142), (8756, 73051), (10076, 63481), (11542, 55418), (13282, 48158), (14036, 45571), (23084, 27709), (24079, 26564)]