28889172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61729}}^1$

素因数の和:61752

約数の個数: 36

約数和(自身を含む): 78644020

約数和(自身を除く): 49754848

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 61729, 123458, 185187, 246916, 370374, 555561, 740748, 802477, 1111122, 1604954, 2222244, 2407431, 3209908, 4814862, 7222293, 9629724, 14444586, 28889172]

約数ペア:

[(1, 28889172), (2, 14444586), (3, 9629724), (4, 7222293), (6, 4814862), (9, 3209908), (12, 2407431), (13, 2222244), (18, 1604954), (26, 1111122), (36, 802477), (39, 740748), (52, 555561), (78, 370374), (117, 246916), (156, 185187), (234, 123458), (468, 61729)]