204521911

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 243855360

約数和(自身を除く): 39333449

約数列:

[1, 11, 23, 31, 89, 253, 293, 341, 713, 979, 2047, 2759, 3223, 6739, 7843, 9083, 22517, 26077, 30349, 63457, 74129, 99913, 208909, 286847, 599771, 698027, 808387, 2297999, 6597481, 8892257, 18592901, 204521911]

約数ペア:

[(1, 204521911), (11, 18592901), (23, 8892257), (31, 6597481), (89, 2297999), (253, 808387), (293, 698027), (341, 599771), (713, 286847), (979, 208909), (2047, 99913), (2759, 74129), (3223, 63457), (6739, 30349), (7843, 26077), (9083, 22517)]