938409985

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 1186099200

約数和(自身を除く): 247689215

約数列:

[1, 5, 29, 127, 131, 145, 389, 635, 655, 1945, 3683, 3799, 11281, 16637, 18415, 18995, 49403, 50959, 56405, 83185, 247015, 254795, 482473, 1432687, 1477811, 2412365, 6471793, 7163435, 7389055, 32358965, 187681997, 938409985]

約数ペア:

[(1, 938409985), (5, 187681997), (29, 32358965), (127, 7389055), (131, 7163435), (145, 6471793), (389, 2412365), (635, 1477811), (655, 1432687), (1945, 482473), (3683, 254795), (3799, 247015), (11281, 83185), (16637, 56405), (18415, 50959), (18995, 49403)]