31721528

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 60708960

約数和(自身を除く): 28987432

約数列:

[1, 2, 4, 8, 103, 137, 206, 274, 281, 412, 548, 562, 824, 1096, 1124, 2248, 14111, 28222, 28943, 38497, 56444, 57886, 76994, 112888, 115772, 153988, 231544, 307976, 3965191, 7930382, 15860764, 31721528]

約数ペア:

[(1, 31721528), (2, 15860764), (4, 7930382), (8, 3965191), (103, 307976), (137, 231544), (206, 153988), (274, 115772), (281, 112888), (412, 76994), (548, 57886), (562, 56444), (824, 38497), (1096, 28943), (1124, 28222), (2248, 14111)]