280102009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 331752960

約数和(自身を除く): 51650951

約数列:

[1, 11, 19, 67, 83, 209, 241, 737, 913, 1273, 1577, 2651, 4579, 5561, 14003, 16147, 17347, 20003, 50369, 61171, 105659, 177617, 220033, 306793, 380057, 1162249, 1340201, 3374723, 4180627, 14742211, 25463819, 280102009]

約数ペア:

[(1, 280102009), (11, 25463819), (19, 14742211), (67, 4180627), (83, 3374723), (209, 1340201), (241, 1162249), (737, 380057), (913, 306793), (1273, 220033), (1577, 177617), (2651, 105659), (4579, 61171), (5561, 50369), (14003, 20003), (16147, 17347)]