221488399

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 260663040

約数和(自身を除く): 39174641

約数列:

[1, 11, 29, 43, 67, 241, 319, 473, 737, 1247, 1943, 2651, 2881, 6989, 10363, 13717, 16147, 21373, 31691, 76879, 83549, 113993, 177617, 300527, 468263, 694321, 919039, 3305797, 5150893, 7637531, 20135309, 221488399]

約数ペア:

[(1, 221488399), (11, 20135309), (29, 7637531), (43, 5150893), (67, 3305797), (241, 919039), (319, 694321), (473, 468263), (737, 300527), (1247, 177617), (1943, 113993), (2651, 83549), (2881, 76879), (6989, 31691), (10363, 21373), (13717, 16147)]