388897852

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{23581}}^1$

素因数の和:23642

約数の個数: 48

約数和(自身を含む): 845178880

約数和(自身を除く): 456281028

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 2356, 4123, 8246, 16492, 23581, 47162, 94324, 165067, 330134, 448039, 660268, 731011, 896078, 1462022, 1792156, 2924044, 3136273, 5117077, 6272546, 10234154, 12545092, 13889209, 20468308, 27778418, 55556836, 97224463, 194448926, 388897852]

約数ペア:

[(1, 388897852), (2, 194448926), (4, 97224463), (7, 55556836), (14, 27778418), (19, 20468308), (28, 13889209), (31, 12545092), (38, 10234154), (62, 6272546), (76, 5117077), (124, 3136273), (133, 2924044), (217, 1792156), (266, 1462022), (434, 896078), (532, 731011), (589, 660268), (868, 448039), (1178, 330134), (2356, 165067), (4123, 94324), (8246, 47162), (16492, 23581)]