280884809

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 322479360

約数和(自身を除く): 41594551

約数列:

[1, 19, 23, 41, 61, 257, 437, 779, 943, 1159, 1403, 2501, 4883, 5911, 10537, 15677, 17917, 26657, 47519, 57523, 112309, 200203, 242351, 297863, 360571, 642757, 1092937, 4604669, 6850849, 12212383, 14783411, 280884809]

約数ペア:

[(1, 280884809), (19, 14783411), (23, 12212383), (41, 6850849), (61, 4604669), (257, 1092937), (437, 642757), (779, 360571), (943, 297863), (1159, 242351), (1403, 200203), (2501, 112309), (4883, 57523), (5911, 47519), (10537, 26657), (15677, 17917)]