256561492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{3001}}^1$

素因数の和:3112

約数の個数: 48

約数和(自身を含む): 514422720

約数和(自身を除く): 257861228

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 67, 116, 134, 268, 319, 638, 737, 1276, 1474, 1943, 2948, 3001, 3886, 6002, 7772, 12004, 21373, 33011, 42746, 66022, 85492, 87029, 132044, 174058, 201067, 348116, 402134, 804268, 957319, 1914638, 2211737, 3829276, 4423474, 5830943, 8846948, 11661886, 23323772, 64140373, 128280746, 256561492]

約数ペア:

[(1, 256561492), (2, 128280746), (4, 64140373), (11, 23323772), (22, 11661886), (29, 8846948), (44, 5830943), (58, 4423474), (67, 3829276), (116, 2211737), (134, 1914638), (268, 957319), (319, 804268), (638, 402134), (737, 348116), (1276, 201067), (1474, 174058), (1943, 132044), (2948, 87029), (3001, 85492), (3886, 66022), (6002, 42746), (7772, 33011), (12004, 21373)]