31815952

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4001}}^1$

素因数の和:4087

約数の個数: 40

約数和(自身を含む): 71459712

約数和(自身を除く): 39643760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 4001, 7952, 8002, 16004, 28007, 32008, 56014, 64016, 112028, 224056, 284071, 448112, 568142, 1136284, 1988497, 2272568, 3976994, 4545136, 7953988, 15907976, 31815952]

約数ペア:

[(1, 31815952), (2, 15907976), (4, 7953988), (7, 4545136), (8, 3976994), (14, 2272568), (16, 1988497), (28, 1136284), (56, 568142), (71, 448112), (112, 284071), (142, 224056), (284, 112028), (497, 64016), (568, 56014), (994, 32008), (1136, 28007), (1988, 16004), (3976, 8002), (4001, 7952)]