28785988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4919}}^1$

素因数の和:4960

約数の個数: 48

約数和(自身を含む): 66124800

約数和(自身を除く): 37338812

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 4919, 5852, 9838, 19676, 34433, 54109, 68866, 93461, 108218, 137732, 186922, 216436, 373844, 378763, 654227, 757526, 1028071, 1308454, 1515052, 2056142, 2616908, 4112284, 7196497, 14392994, 28785988]

約数ペア:

[(1, 28785988), (2, 14392994), (4, 7196497), (7, 4112284), (11, 2616908), (14, 2056142), (19, 1515052), (22, 1308454), (28, 1028071), (38, 757526), (44, 654227), (76, 378763), (77, 373844), (133, 216436), (154, 186922), (209, 137732), (266, 108218), (308, 93461), (418, 68866), (532, 54109), (836, 34433), (1463, 19676), (2926, 9838), (4919, 5852)]