138327805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 211438080

約数和(自身を除く): 73110275

約数列:

[1, 5, 7, 11, 35, 55, 77, 89, 121, 367, 385, 445, 605, 623, 847, 979, 1835, 2569, 3115, 4037, 4235, 4895, 6853, 10769, 12845, 20185, 28259, 32663, 34265, 44407, 53845, 75383, 141295, 163315, 222035, 228641, 310849, 359293, 376915, 1143205, 1554245, 1796465, 2515051, 3952223, 12575255, 19761115, 27665561, 138327805]

約数ペア:

[(1, 138327805), (5, 27665561), (7, 19761115), (11, 12575255), (35, 3952223), (55, 2515051), (77, 1796465), (89, 1554245), (121, 1143205), (367, 376915), (385, 359293), (445, 310849), (605, 228641), (623, 222035), (847, 163315), (979, 141295), (1835, 75383), (2569, 53845), (3115, 44407), (4037, 34265), (4235, 32663), (4895, 28259), (6853, 20185), (10769, 12845)]