664698545278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{541}}^1\times {\mathrm{65851}}^1$

素因数の和:66904

約数の個数: 32

約数和(自身を含む): 1053621463680

約数和(自身を除く): 388922918402

約数列:

[1, 2, 19, 38, 491, 541, 982, 1082, 9329, 10279, 18658, 20558, 65851, 131702, 265631, 531262, 1251169, 2502338, 5046989, 10093978, 32332841, 35625391, 64665682, 71250782, 614323979, 676882429, 1228647958, 1353764858, 17492066981, 34984133962, 332349272639, 664698545278]

約数ペア:

[(1, 664698545278), (2, 332349272639), (19, 34984133962), (38, 17492066981), (491, 1353764858), (541, 1228647958), (982, 676882429), (1082, 614323979), (9329, 71250782), (10279, 64665682), (18658, 35625391), (20558, 32332841), (65851, 10093978), (131702, 5046989), (265631, 2502338), (531262, 1251169)]