77728244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 152409600

約数和(自身を除く): 74681356

約数列:

[1, 2, 4, 11, 22, 44, 71, 139, 142, 179, 278, 284, 358, 556, 716, 781, 1529, 1562, 1969, 3058, 3124, 3938, 6116, 7876, 9869, 12709, 19738, 24881, 25418, 39476, 49762, 50836, 99524, 108559, 139799, 217118, 273691, 279598, 434236, 547382, 559196, 1094764, 1766551, 3533102, 7066204, 19432061, 38864122, 77728244]

約数ペア:

[(1, 77728244), (2, 38864122), (4, 19432061), (11, 7066204), (22, 3533102), (44, 1766551), (71, 1094764), (139, 559196), (142, 547382), (179, 434236), (278, 279598), (284, 273691), (358, 217118), (556, 139799), (716, 108559), (781, 99524), (1529, 50836), (1562, 49762), (1969, 39476), (3058, 25418), (3124, 24881), (3938, 19738), (6116, 12709), (7876, 9869)]