28148785

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6047}}^1$

素因数の和:6085

約数の個数: 24

約数和(自身を含む): 41368320

約数和(自身を除く): 13219535

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 6047, 30235, 42329, 114893, 211645, 296303, 574465, 804251, 1481515, 4021255, 5629757, 28148785]

約数ペア:

[(1, 28148785), (5, 5629757), (7, 4021255), (19, 1481515), (35, 804251), (49, 574465), (95, 296303), (133, 211645), (245, 114893), (665, 42329), (931, 30235), (4655, 6047)]