78461964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{619}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 227485440

約数和(自身を除く): 149023476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 503, 619, 1006, 1238, 1509, 1857, 2012, 2476, 3018, 3521, 3714, 4333, 4527, 5571, 6036, 7042, 7428, 8666, 9054, 10563, 11142, 12999, 14084, 17332, 18108, 21126, 22284, 25998, 31689, 38997, 42252, 51996, 63378, 77994, 126756, 155988, 311357, 622714, 934071, 1245428, 1868142, 2179499, 2802213, 3736284, 4358998, 5604426, 6538497, 8717996, 11208852, 13076994, 19615491, 26153988, 39230982, 78461964]

約数ペア:

[(1, 78461964), (2, 39230982), (3, 26153988), (4, 19615491), (6, 13076994), (7, 11208852), (9, 8717996), (12, 6538497), (14, 5604426), (18, 4358998), (21, 3736284), (28, 2802213), (36, 2179499), (42, 1868142), (63, 1245428), (84, 934071), (126, 622714), (252, 311357), (503, 155988), (619, 126756), (1006, 77994), (1238, 63378), (1509, 51996), (1857, 42252), (2012, 38997), (2476, 31689), (3018, 25998), (3521, 22284), (3714, 21126), (4333, 18108), (4527, 17332), (5571, 14084), (6036, 12999), (7042, 11142), (7428, 10563), (8666, 9054)]