259968241

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{683}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 312560640

約数和(自身を除く): 52592399

約数列:

[1, 13, 19, 23, 67, 247, 299, 437, 683, 871, 1273, 1541, 5681, 8879, 12977, 15709, 16549, 20033, 29279, 45761, 168701, 204217, 298471, 380627, 594893, 869459, 1052503, 3880123, 11302967, 13682539, 19997557, 259968241]

約数ペア:

[(1, 259968241), (13, 19997557), (19, 13682539), (23, 11302967), (67, 3880123), (247, 1052503), (299, 869459), (437, 594893), (683, 380627), (871, 298471), (1273, 204217), (1541, 168701), (5681, 45761), (8879, 29279), (12977, 20033), (15709, 16549)]