280467512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{141937}}^1$

素因数の和:141975

約数の個数: 32

約数和(自身を含む): 596139600

約数和(自身を除く): 315672088

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 141937, 283874, 567748, 1135496, 1845181, 2696803, 3690362, 5393606, 7380724, 10787212, 14761448, 21574424, 35058439, 70116878, 140233756, 280467512]

約数ペア:

[(1, 280467512), (2, 140233756), (4, 70116878), (8, 35058439), (13, 21574424), (19, 14761448), (26, 10787212), (38, 7380724), (52, 5393606), (76, 3690362), (104, 2696803), (152, 1845181), (247, 1135496), (494, 567748), (988, 283874), (1976, 141937)]