398366924605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2784517}}^1$

素因数の和:2784637

約数の個数: 32

約数和(自身を含む): 538904475648

約数和(自身を除く): 140537551043

約数列:

[1, 5, 13, 31, 65, 71, 155, 355, 403, 923, 2015, 2201, 4615, 11005, 28613, 143065, 2784517, 13922585, 36198721, 86320027, 180993605, 197700707, 431600135, 988503535, 1122160351, 2570109191, 5610801755, 6128721917, 12850545955, 30643609585, 79673384921, 398366924605]

約数ペア:

[(1, 398366924605), (5, 79673384921), (13, 30643609585), (31, 12850545955), (65, 6128721917), (71, 5610801755), (155, 2570109191), (355, 1122160351), (403, 988503535), (923, 431600135), (2015, 197700707), (2201, 180993605), (4615, 86320027), (11005, 36198721), (28613, 13922585), (143065, 2784517)]