78173878

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 125153280

約数和(自身を除く): 46979402

約数列:

[1, 2, 31, 47, 62, 94, 139, 193, 278, 386, 1457, 2914, 4309, 5983, 6533, 8618, 9071, 11966, 13066, 18142, 26827, 53654, 202523, 281201, 405046, 562402, 831637, 1260869, 1663274, 2521738, 39086939, 78173878]

約数ペア:

[(1, 78173878), (2, 39086939), (31, 2521738), (47, 1663274), (62, 1260869), (94, 831637), (139, 562402), (193, 405046), (278, 281201), (386, 202523), (1457, 53654), (2914, 26827), (4309, 18142), (5983, 13066), (6533, 11966), (8618, 9071)]