2497788155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{1987}}^1$

素因数の和:2675

約数の個数: 32

約数和(自身を含む): 3318465024

約数和(自身を除く): 820676869

約数列:

[1, 5, 17, 23, 85, 115, 391, 643, 1955, 1987, 3215, 9935, 10931, 14789, 33779, 45701, 54655, 73945, 168895, 228505, 251413, 776917, 1257065, 1277641, 3884585, 6388205, 21719897, 29385743, 108599485, 146928715, 499557631, 2497788155]

約数ペア:

[(1, 2497788155), (5, 499557631), (17, 146928715), (23, 108599485), (85, 29385743), (115, 21719897), (391, 6388205), (643, 3884585), (1955, 1277641), (1987, 1257065), (3215, 776917), (9935, 251413), (10931, 228505), (14789, 168895), (33779, 73945), (45701, 54655)]