645820054

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{3187}}^1$

素因数の和:3412

約数の個数: 32

約数和(自身を含む): 1081573632

約数和(自身を除く): 435753578

約数列:

[1, 2, 11, 22, 61, 122, 151, 302, 671, 1342, 1661, 3187, 3322, 6374, 9211, 18422, 35057, 70114, 101321, 194407, 202642, 388814, 481237, 962474, 2138477, 4276954, 5293607, 10587214, 29355457, 58710914, 322910027, 645820054]

約数ペア:

[(1, 645820054), (2, 322910027), (11, 58710914), (22, 29355457), (61, 10587214), (122, 5293607), (151, 4276954), (302, 2138477), (671, 962474), (1342, 481237), (1661, 388814), (3187, 202642), (3322, 194407), (6374, 101321), (9211, 70114), (18422, 35057)]