61391988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1361}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 178476480

約数和(自身を除く): 117084492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 179, 252, 358, 537, 716, 1074, 1253, 1361, 1611, 2148, 2506, 2722, 3222, 3759, 4083, 5012, 5444, 6444, 7518, 8166, 9527, 11277, 12249, 15036, 16332, 19054, 22554, 24498, 28581, 38108, 45108, 48996, 57162, 85743, 114324, 171486, 243619, 342972, 487238, 730857, 974476, 1461714, 1705333, 2192571, 2923428, 3410666, 4385142, 5115999, 6821332, 8770284, 10231998, 15347997, 20463996, 30695994, 61391988]

約数ペア:

[(1, 61391988), (2, 30695994), (3, 20463996), (4, 15347997), (6, 10231998), (7, 8770284), (9, 6821332), (12, 5115999), (14, 4385142), (18, 3410666), (21, 2923428), (28, 2192571), (36, 1705333), (42, 1461714), (63, 974476), (84, 730857), (126, 487238), (179, 342972), (252, 243619), (358, 171486), (537, 114324), (716, 85743), (1074, 57162), (1253, 48996), (1361, 45108), (1611, 38108), (2148, 28581), (2506, 24498), (2722, 22554), (3222, 19054), (3759, 16332), (4083, 15036), (5012, 12249), (5444, 11277), (6444, 9527), (7518, 8166)]