77687768

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 148890960

約数和(自身を除く): 71203192

約数列:

[1, 2, 4, 8, 73, 137, 146, 274, 292, 548, 584, 971, 1096, 1942, 3884, 7768, 10001, 20002, 40004, 70883, 80008, 133027, 141766, 266054, 283532, 532108, 567064, 1064216, 9710971, 19421942, 38843884, 77687768]

約数ペア:

[(1, 77687768), (2, 38843884), (4, 19421942), (8, 9710971), (73, 1064216), (137, 567064), (146, 532108), (274, 283532), (292, 266054), (548, 141766), (584, 133027), (971, 80008), (1096, 70883), (1942, 40004), (3884, 20002), (7768, 10001)]