39725945

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 57853440

約数和(自身を除く): 18127495

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 305, 427, 805, 809, 1403, 2135, 4045, 5663, 7015, 9821, 18607, 28315, 49105, 49349, 93035, 130249, 246745, 345443, 651245, 1135027, 1727215, 5675135, 7945189, 39725945]

約数ペア:

[(1, 39725945), (5, 7945189), (7, 5675135), (23, 1727215), (35, 1135027), (61, 651245), (115, 345443), (161, 246745), (305, 130249), (427, 93035), (805, 49349), (809, 49105), (1403, 28315), (2135, 18607), (4045, 9821), (5663, 7015)]