28810859

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 9896341

約数列:

[1, 7, 11, 19, 47, 77, 133, 209, 329, 419, 517, 893, 1463, 2933, 3619, 4609, 6251, 7961, 9823, 19693, 32263, 55727, 68761, 87571, 137851, 216623, 374167, 612997, 1516361, 2619169, 4115837, 28810859]

約数ペア:

[(1, 28810859), (7, 4115837), (11, 2619169), (19, 1516361), (47, 612997), (77, 374167), (133, 216623), (209, 137851), (329, 87571), (419, 68761), (517, 55727), (893, 32263), (1463, 19693), (2933, 9823), (3619, 7961), (4609, 6251)]