201619327

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 256943232

約数和(自身を除く): 55323905

約数列:

[1, 7, 13, 37, 91, 233, 257, 259, 481, 1631, 1799, 3029, 3341, 3367, 8621, 9509, 21203, 23387, 59881, 60347, 66563, 112073, 123617, 419167, 778453, 784511, 865319, 2215597, 5449171, 15509179, 28802761, 201619327]

約数ペア:

[(1, 201619327), (7, 28802761), (13, 15509179), (37, 5449171), (91, 2215597), (233, 865319), (257, 784511), (259, 778453), (481, 419167), (1631, 123617), (1799, 112073), (3029, 66563), (3341, 60347), (3367, 59881), (8621, 23387), (9509, 21203)]