64684949

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 86512320

約数和(自身を除く): 21827371

約数列:

[1, 7, 17, 19, 49, 61, 67, 119, 133, 323, 427, 469, 833, 931, 1037, 1139, 1159, 1273, 2261, 2989, 3283, 4087, 7259, 7973, 8113, 8911, 15827, 19703, 21641, 28609, 50813, 55811, 56791, 62377, 69479, 77653, 137921, 151487, 200263, 486353, 543571, 965447, 1060409, 1320101, 3404471, 3804997, 9240707, 64684949]

約数ペア:

[(1, 64684949), (7, 9240707), (17, 3804997), (19, 3404471), (49, 1320101), (61, 1060409), (67, 965447), (119, 543571), (133, 486353), (323, 200263), (427, 151487), (469, 137921), (833, 77653), (931, 69479), (1037, 62377), (1139, 56791), (1159, 55811), (1273, 50813), (2261, 28609), (2989, 21641), (3283, 19703), (4087, 15827), (7259, 8911), (7973, 8113)]