138456724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{821}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 292763520

約数和(自身を除く): 154306796

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 317, 532, 634, 821, 1268, 1642, 2219, 3284, 4438, 5747, 6023, 8876, 11494, 12046, 15599, 22988, 24092, 31198, 42161, 62396, 84322, 109193, 168644, 218386, 260257, 436772, 520514, 1041028, 1821799, 3643598, 4944883, 7287196, 9889766, 19779532, 34614181, 69228362, 138456724]

約数ペア:

[(1, 138456724), (2, 69228362), (4, 34614181), (7, 19779532), (14, 9889766), (19, 7287196), (28, 4944883), (38, 3643598), (76, 1821799), (133, 1041028), (266, 520514), (317, 436772), (532, 260257), (634, 218386), (821, 168644), (1268, 109193), (1642, 84322), (2219, 62396), (3284, 42161), (4438, 31198), (5747, 24092), (6023, 22988), (8876, 15599), (11494, 12046)]