664437584

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{3371}}^1$

素因数の和:3603

約数の個数: 40

約数和(自身を含む): 1311249408

約数和(自身を除く): 646811824

約数列:

[1, 2, 4, 8, 16, 97, 127, 194, 254, 388, 508, 776, 1016, 1552, 2032, 3371, 6742, 12319, 13484, 24638, 26968, 49276, 53936, 98552, 197104, 326987, 428117, 653974, 856234, 1307948, 1712468, 2615896, 3424936, 5231792, 6849872, 41527349, 83054698, 166109396, 332218792, 664437584]

約数ペア:

[(1, 664437584), (2, 332218792), (4, 166109396), (8, 83054698), (16, 41527349), (97, 6849872), (127, 5231792), (194, 3424936), (254, 2615896), (388, 1712468), (508, 1307948), (776, 856234), (1016, 653974), (1552, 428117), (2032, 326987), (3371, 197104), (6742, 98552), (12319, 53936), (13484, 49276), (24638, 26968)]