67878868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 130233600

約数和(自身を除く): 62354732

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 101, 148, 202, 239, 404, 478, 703, 956, 1406, 1919, 2812, 3737, 3838, 4541, 7474, 7676, 8843, 9082, 14948, 17686, 18164, 24139, 35372, 48278, 71003, 96556, 142006, 168017, 284012, 336034, 458641, 672068, 893143, 917282, 1786286, 1834564, 3572572, 16969717, 33939434, 67878868]

約数ペア:

[(1, 67878868), (2, 33939434), (4, 16969717), (19, 3572572), (37, 1834564), (38, 1786286), (74, 917282), (76, 893143), (101, 672068), (148, 458641), (202, 336034), (239, 284012), (404, 168017), (478, 142006), (703, 96556), (956, 71003), (1406, 48278), (1919, 35372), (2812, 24139), (3737, 18164), (3838, 17686), (4541, 14948), (7474, 9082), (7676, 8843)]