28678452

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19751}}^1$

素因数の和:19780

約数の個数: 36

約数和(自身を含む): 73556448

約数和(自身を除く): 44877996

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 242, 363, 484, 726, 1452, 19751, 39502, 59253, 79004, 118506, 217261, 237012, 434522, 651783, 869044, 1303566, 2389871, 2607132, 4779742, 7169613, 9559484, 14339226, 28678452]

約数ペア:

[(1, 28678452), (2, 14339226), (3, 9559484), (4, 7169613), (6, 4779742), (11, 2607132), (12, 2389871), (22, 1303566), (33, 869044), (44, 651783), (66, 434522), (121, 237012), (132, 217261), (242, 118506), (363, 79004), (484, 59253), (726, 39502), (1452, 19751)]