681472012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{8731}}^1$

素因数の和:8846

約数の個数: 48

約数和(自身を含む): 1369177600

約数和(自身を除く): 687705588

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 79, 158, 247, 316, 494, 988, 1027, 1501, 2054, 3002, 4108, 6004, 8731, 17462, 19513, 34924, 39026, 78052, 113503, 165889, 227006, 331778, 454012, 663556, 689749, 1379498, 2156557, 2758996, 4313114, 8626228, 8966737, 13105231, 17933474, 26210462, 35866948, 52420924, 170368003, 340736006, 681472012]

約数ペア:

[(1, 681472012), (2, 340736006), (4, 170368003), (13, 52420924), (19, 35866948), (26, 26210462), (38, 17933474), (52, 13105231), (76, 8966737), (79, 8626228), (158, 4313114), (247, 2758996), (316, 2156557), (494, 1379498), (988, 689749), (1027, 663556), (1501, 454012), (2054, 331778), (3002, 227006), (4108, 165889), (6004, 113503), (8731, 78052), (17462, 39026), (19513, 34924)]