2019979892

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{421}}^1\times {\mathrm{491}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 4069430400

約数和(自身を除く): 2049450508

約数列:

[1, 2, 4, 7, 14, 28, 349, 421, 491, 698, 842, 982, 1396, 1684, 1964, 2443, 2947, 3437, 4886, 5894, 6874, 9772, 11788, 13748, 146929, 171359, 206711, 293858, 342718, 413422, 587716, 685436, 826844, 1028503, 1199513, 1446977, 2057006, 2399026, 2893954, 4114012, 4798052, 5787908, 72142139, 144284278, 288568556, 504994973, 1009989946, 2019979892]

約数ペア:

[(1, 2019979892), (2, 1009989946), (4, 504994973), (7, 288568556), (14, 144284278), (28, 72142139), (349, 5787908), (421, 4798052), (491, 4114012), (698, 2893954), (842, 2399026), (982, 2057006), (1396, 1446977), (1684, 1199513), (1964, 1028503), (2443, 826844), (2947, 685436), (3437, 587716), (4886, 413422), (5894, 342718), (6874, 293858), (9772, 206711), (11788, 171359), (13748, 146929)]