638282645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127529}}^1$

素因数の和:127565

約数の個数: 32

約数和(自身を含む): 1028401920

約数和(自身を除く): 390119275

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 127529, 637645, 892703, 1402819, 1657877, 4463515, 7014095, 8289385, 9819733, 11605139, 18236647, 49098665, 58025695, 91183235, 127656529, 638282645]

約数ペア:

[(1, 638282645), (5, 127656529), (7, 91183235), (11, 58025695), (13, 49098665), (35, 18236647), (55, 11605139), (65, 9819733), (77, 8289385), (91, 7014095), (143, 4463515), (385, 1657877), (455, 1402819), (715, 892703), (1001, 637645), (5005, 127529)]