201563818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 325425600

約数和(自身を除く): 123861782

約数列:

[1, 2, 19, 38, 89, 107, 178, 214, 557, 1114, 1691, 2033, 3382, 4066, 9523, 10583, 19046, 21166, 49573, 59599, 99146, 119198, 180937, 361874, 941887, 1132381, 1883774, 2264762, 5304311, 10608622, 100781909, 201563818]

約数ペア:

[(1, 201563818), (2, 100781909), (19, 10608622), (38, 5304311), (89, 2264762), (107, 1883774), (178, 1132381), (214, 941887), (557, 361874), (1114, 180937), (1691, 119198), (2033, 99146), (3382, 59599), (4066, 49573), (9523, 21166), (10583, 19046)]