72339715

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 105025536

約数和(自身を除く): 32685821

約数列:

[1, 5, 7, 23, 35, 73, 115, 161, 365, 511, 805, 1231, 1679, 2555, 6155, 8395, 8617, 11753, 28313, 43085, 58765, 89863, 141565, 198191, 449315, 629041, 990955, 2066849, 3145205, 10334245, 14467943, 72339715]

約数ペア:

[(1, 72339715), (5, 14467943), (7, 10334245), (23, 3145205), (35, 2066849), (73, 990955), (115, 629041), (161, 449315), (365, 198191), (511, 141565), (805, 89863), (1231, 58765), (1679, 43085), (2555, 28313), (6155, 11753), (8395, 8617)]