168840688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{1489}}^1$

素因数の和:1889

約数の個数: 40

約数和(自身を含む): 345501200

約数和(自身を除く): 176660512

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 373, 746, 1489, 1492, 2978, 2984, 5956, 5968, 7087, 11912, 14174, 23824, 28291, 28348, 56582, 56696, 113164, 113392, 226328, 452656, 555397, 1110794, 2221588, 4443176, 8886352, 10552543, 21105086, 42210172, 84420344, 168840688]

約数ペア:

[(1, 168840688), (2, 84420344), (4, 42210172), (8, 21105086), (16, 10552543), (19, 8886352), (38, 4443176), (76, 2221588), (152, 1110794), (304, 555397), (373, 452656), (746, 226328), (1489, 113392), (1492, 113164), (2978, 56696), (2984, 56582), (5956, 28348), (5968, 28291), (7087, 23824), (11912, 14174)]