51355556

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2609}}^1$

素因数の和:2676

約数の個数: 48

約数和(自身を含む): 111081600

約数和(自身を除く): 59726044

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1406, 2609, 2812, 4921, 5218, 9842, 10436, 18263, 19684, 36526, 49571, 73052, 96533, 99142, 193066, 198284, 346997, 386132, 675731, 693994, 1351462, 1387988, 1834127, 2702924, 3668254, 7336508, 12838889, 25677778, 51355556]

約数ペア:

[(1, 51355556), (2, 25677778), (4, 12838889), (7, 7336508), (14, 3668254), (19, 2702924), (28, 1834127), (37, 1387988), (38, 1351462), (74, 693994), (76, 675731), (133, 386132), (148, 346997), (259, 198284), (266, 193066), (518, 99142), (532, 96533), (703, 73052), (1036, 49571), (1406, 36526), (2609, 19684), (2812, 18263), (4921, 10436), (5218, 9842)]