664691858

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{11351}}^1$

素因数の和:11462

約数の個数: 32

約数和(自身を含む): 1111587840

約数和(自身を除く): 446895982

約数列:

[1, 2, 19, 23, 38, 46, 67, 134, 437, 874, 1273, 1541, 2546, 3082, 11351, 22702, 29279, 58558, 215669, 261073, 431338, 522146, 760517, 1521034, 4960387, 9920774, 14449823, 17491891, 28899646, 34983782, 332345929, 664691858]

約数ペア:

[(1, 664691858), (2, 332345929), (19, 34983782), (23, 28899646), (38, 17491891), (46, 14449823), (67, 9920774), (134, 4960387), (437, 1521034), (874, 760517), (1273, 522146), (1541, 431338), (2546, 261073), (3082, 215669), (11351, 58558), (22702, 29279)]