156931668832

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{256639}}^1$

素因数の和:256943

約数の個数: 48

約数和(自身を含む): 313730081280

約数和(自身を除く): 156798412448

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 197, 388, 394, 776, 788, 1552, 1576, 3104, 3152, 6304, 19109, 38218, 76436, 152872, 256639, 305744, 513278, 611488, 1026556, 2053112, 4106224, 8212448, 24893983, 49787966, 50557883, 99575932, 101115766, 199151864, 202231532, 398303728, 404463064, 796607456, 808926128, 1617852256, 4904114651, 9808229302, 19616458604, 39232917208, 78465834416, 156931668832]

約数ペア:

[(1, 156931668832), (2, 78465834416), (4, 39232917208), (8, 19616458604), (16, 9808229302), (32, 4904114651), (97, 1617852256), (194, 808926128), (197, 796607456), (388, 404463064), (394, 398303728), (776, 202231532), (788, 199151864), (1552, 101115766), (1576, 99575932), (3104, 50557883), (3152, 49787966), (6304, 24893983), (19109, 8212448), (38218, 4106224), (76436, 2053112), (152872, 1026556), (256639, 611488), (305744, 513278)]