28881976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1367}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 57456000

約数和(自身を除く): 28574024

約数列:

[1, 2, 4, 8, 19, 38, 76, 139, 152, 278, 556, 1112, 1367, 2641, 2734, 5282, 5468, 10564, 10936, 21128, 25973, 51946, 103892, 190013, 207784, 380026, 760052, 1520104, 3610247, 7220494, 14440988, 28881976]

約数ペア:

[(1, 28881976), (2, 14440988), (4, 7220494), (8, 3610247), (19, 1520104), (38, 760052), (76, 380026), (139, 207784), (152, 190013), (278, 103892), (556, 51946), (1112, 25973), (1367, 21128), (2641, 10936), (2734, 10564), (5282, 5468)]