28185638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 47458656

約数和(自身を除く): 19273018

約数列:

[1, 2, 13, 26, 37, 74, 83, 166, 353, 481, 706, 962, 1079, 2158, 3071, 4589, 6142, 9178, 13061, 26122, 29299, 39923, 58598, 79846, 169793, 339586, 380887, 761774, 1084063, 2168126, 14092819, 28185638]

約数ペア:

[(1, 28185638), (2, 14092819), (13, 2168126), (26, 1084063), (37, 761774), (74, 380887), (83, 339586), (166, 169793), (353, 79846), (481, 58598), (706, 39923), (962, 29299), (1079, 26122), (2158, 13061), (3071, 9178), (4589, 6142)]