217503612

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{577}}^1$

素因数の和:907

約数の個数: 72

約数和(自身を含む): 567637616

約数和(自身を除く): 350134004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 283, 333, 444, 566, 577, 666, 849, 1132, 1154, 1332, 1698, 1731, 2308, 2547, 3396, 3462, 5094, 5193, 6924, 10188, 10386, 10471, 20772, 20942, 21349, 31413, 41884, 42698, 62826, 64047, 85396, 94239, 125652, 128094, 163291, 188478, 192141, 256188, 326582, 376956, 384282, 489873, 653164, 768564, 979746, 1469619, 1959492, 2939238, 5878476, 6041767, 12083534, 18125301, 24167068, 36250602, 54375903, 72501204, 108751806, 217503612]

約数ペア:

[(1, 217503612), (2, 108751806), (3, 72501204), (4, 54375903), (6, 36250602), (9, 24167068), (12, 18125301), (18, 12083534), (36, 6041767), (37, 5878476), (74, 2939238), (111, 1959492), (148, 1469619), (222, 979746), (283, 768564), (333, 653164), (444, 489873), (566, 384282), (577, 376956), (666, 326582), (849, 256188), (1132, 192141), (1154, 188478), (1332, 163291), (1698, 128094), (1731, 125652), (2308, 94239), (2547, 85396), (3396, 64047), (3462, 62826), (5094, 42698), (5193, 41884), (6924, 31413), (10188, 21349), (10386, 20942), (10471, 20772)]