28578748

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:594

約数の個数: 36

約数和(自身を含む): 55502496

約数和(自身を除く): 26923748

約数列:

[1, 2, 4, 11, 22, 44, 121, 137, 242, 274, 431, 484, 548, 862, 1507, 1724, 3014, 4741, 6028, 9482, 16577, 18964, 33154, 52151, 59047, 66308, 104302, 118094, 208604, 236188, 649517, 1299034, 2598068, 7144687, 14289374, 28578748]

約数ペア:

[(1, 28578748), (2, 14289374), (4, 7144687), (11, 2598068), (22, 1299034), (44, 649517), (121, 236188), (137, 208604), (242, 118094), (274, 104302), (431, 66308), (484, 59047), (548, 52151), (862, 33154), (1507, 18964), (1724, 16577), (3014, 9482), (4741, 6028)]