28897561

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 37594368

約数和(自身を除く): 8696807

約数列:

[1, 7, 11, 53, 73, 77, 97, 371, 511, 583, 679, 803, 1067, 3869, 4081, 5141, 5621, 7081, 7469, 27083, 35987, 42559, 49567, 56551, 77891, 297913, 375293, 395857, 545237, 2627051, 4128223, 28897561]

約数ペア:

[(1, 28897561), (7, 4128223), (11, 2627051), (53, 545237), (73, 395857), (77, 375293), (97, 297913), (371, 77891), (511, 56551), (583, 49567), (679, 42559), (803, 35987), (1067, 27083), (3869, 7469), (4081, 7081), (5141, 5621)]