31989925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1907}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 44006112

約数和(自身を除く): 12016187

約数列:

[1, 5, 11, 25, 55, 61, 275, 305, 671, 1525, 1907, 3355, 9535, 16775, 20977, 47675, 104885, 116327, 524425, 581635, 1279597, 2908175, 6397985, 31989925]

約数ペア:

[(1, 31989925), (5, 6397985), (11, 2908175), (25, 1279597), (55, 581635), (61, 524425), (275, 116327), (305, 104885), (671, 47675), (1525, 20977), (1907, 16775), (3355, 9535)]