68804555408

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{249133}}^1$

素因数の和:249603

約数の個数: 40

約数和(自身を含む): 136885181496

約数和(自身を除く): 68080626088

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 421, 656, 842, 1684, 3368, 6736, 17261, 34522, 69044, 138088, 249133, 276176, 498266, 996532, 1993064, 3986128, 10214453, 20428906, 40857812, 81715624, 104884993, 163431248, 209769986, 419539972, 839079944, 1678159888, 4300284713, 8600569426, 17201138852, 34402277704, 68804555408]

約数ペア:

[(1, 68804555408), (2, 34402277704), (4, 17201138852), (8, 8600569426), (16, 4300284713), (41, 1678159888), (82, 839079944), (164, 419539972), (328, 209769986), (421, 163431248), (656, 104884993), (842, 81715624), (1684, 40857812), (3368, 20428906), (6736, 10214453), (17261, 3986128), (34522, 1993064), (69044, 996532), (138088, 498266), (249133, 276176)]