161544985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2749}}^1$

素因数の和:2857

約数の個数: 32

約数和(自身を含む): 234432000

約数和(自身を除く): 72887015

約数列:

[1, 5, 7, 23, 35, 73, 115, 161, 365, 511, 805, 1679, 2555, 2749, 8395, 11753, 13745, 19243, 58765, 63227, 96215, 200677, 316135, 442589, 1003385, 1404739, 2212945, 4615571, 7023695, 23077855, 32308997, 161544985]

約数ペア:

[(1, 161544985), (5, 32308997), (7, 23077855), (23, 7023695), (35, 4615571), (73, 2212945), (115, 1404739), (161, 1003385), (365, 442589), (511, 316135), (805, 200677), (1679, 96215), (2555, 63227), (2749, 58765), (8395, 19243), (11753, 13745)]