721839412

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1\times {\mathrm{1291}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 1522286080

約数和(自身を除く): 800446668

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1051, 1291, 2102, 2582, 4204, 5164, 7357, 9037, 14714, 18074, 19969, 24529, 29428, 36148, 39938, 49058, 79876, 98116, 139783, 171703, 279566, 343406, 559132, 686812, 1356841, 2713682, 5427364, 9497887, 18995774, 25779979, 37991548, 51559958, 103119916, 180459853, 360919706, 721839412]

約数ペア:

[(1, 721839412), (2, 360919706), (4, 180459853), (7, 103119916), (14, 51559958), (19, 37991548), (28, 25779979), (38, 18995774), (76, 9497887), (133, 5427364), (266, 2713682), (532, 1356841), (1051, 686812), (1291, 559132), (2102, 343406), (2582, 279566), (4204, 171703), (5164, 139783), (7357, 98116), (9037, 79876), (14714, 49058), (18074, 39938), (19969, 36148), (24529, 29428)]