904705945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{20743}}^1$

素因数の和:20833

約数の個数: 32

約数和(自身を含む): 1296417024

約数和(自身を除く): 391711079

約数列:

[1, 5, 11, 13, 55, 61, 65, 143, 305, 671, 715, 793, 3355, 3965, 8723, 20743, 43615, 103715, 228173, 269659, 1140865, 1265323, 1348295, 2966249, 6326615, 13918553, 14831245, 16449199, 69592765, 82245995, 180941189, 904705945]

約数ペア:

[(1, 904705945), (5, 180941189), (11, 82245995), (13, 69592765), (55, 16449199), (61, 14831245), (65, 13918553), (143, 6326615), (305, 2966249), (671, 1348295), (715, 1265323), (793, 1140865), (3355, 269659), (3965, 228173), (8723, 103715), (20743, 43615)]