205576990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{6823}}^1$

素因数の和:6984

約数の個数: 32

約数和(自身を含む): 389131776

約数和(自身を除く): 183554786

約数列:

[1, 2, 5, 10, 23, 46, 115, 131, 230, 262, 655, 1310, 3013, 6026, 6823, 13646, 15065, 30130, 34115, 68230, 156929, 313858, 784645, 893813, 1569290, 1787626, 4469065, 8938130, 20557699, 41115398, 102788495, 205576990]

約数ペア:

[(1, 205576990), (2, 102788495), (5, 41115398), (10, 20557699), (23, 8938130), (46, 4469065), (115, 1787626), (131, 1569290), (230, 893813), (262, 784645), (655, 313858), (1310, 156929), (3013, 68230), (6026, 34115), (6823, 30130), (13646, 15065)]