1640287568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{90007}}^1$

素因数の和:90099

約数の個数: 40

約数和(自身を含む): 3415263552

約数和(自身を除く): 1774975984

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 536, 1072, 1139, 2278, 4556, 9112, 18224, 90007, 180014, 360028, 720056, 1440112, 1530119, 3060238, 6030469, 6120476, 12060938, 12240952, 24121876, 24481904, 48243752, 96487504, 102517973, 205035946, 410071892, 820143784, 1640287568]

約数ペア:

[(1, 1640287568), (2, 820143784), (4, 410071892), (8, 205035946), (16, 102517973), (17, 96487504), (34, 48243752), (67, 24481904), (68, 24121876), (134, 12240952), (136, 12060938), (268, 6120476), (272, 6030469), (536, 3060238), (1072, 1530119), (1139, 1440112), (2278, 720056), (4556, 360028), (9112, 180014), (18224, 90007)]