168663988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 318084480

約数和(自身を除く): 149420492

約数列:

[1, 2, 4, 19, 38, 76, 97, 137, 167, 194, 274, 334, 388, 548, 668, 1843, 2603, 3173, 3686, 5206, 6346, 7372, 10412, 12692, 13289, 16199, 22879, 26578, 32398, 45758, 53156, 64796, 91516, 252491, 307781, 434701, 504982, 615562, 869402, 1009964, 1231124, 1738804, 2219263, 4438526, 8877052, 42165997, 84331994, 168663988]

約数ペア:

[(1, 168663988), (2, 84331994), (4, 42165997), (19, 8877052), (38, 4438526), (76, 2219263), (97, 1738804), (137, 1231124), (167, 1009964), (194, 869402), (274, 615562), (334, 504982), (388, 434701), (548, 307781), (668, 252491), (1843, 91516), (2603, 64796), (3173, 53156), (3686, 45758), (5206, 32398), (6346, 26578), (7372, 22879), (10412, 16199), (12692, 13289)]