64567928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1009}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 127866000

約数和(自身を除く): 63298072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 421, 842, 1009, 1684, 2018, 3368, 4036, 7999, 8072, 15998, 19171, 31996, 38342, 63992, 76684, 153368, 424789, 849578, 1699156, 3398312, 8070991, 16141982, 32283964, 64567928]

約数ペア:

[(1, 64567928), (2, 32283964), (4, 16141982), (8, 8070991), (19, 3398312), (38, 1699156), (76, 849578), (152, 424789), (421, 153368), (842, 76684), (1009, 63992), (1684, 38342), (2018, 31996), (3368, 19171), (4036, 15998), (7999, 8072)]