81639474

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1049}}^1$

素因数の和:1187

約数の個数: 64

約数和(自身を含む): 199584000

約数和(自身を除く): 117944526

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 109, 119, 218, 238, 327, 357, 654, 714, 763, 1049, 1526, 1853, 2098, 2289, 3147, 3706, 4578, 5559, 6294, 7343, 11118, 12971, 14686, 17833, 22029, 25942, 35666, 38913, 44058, 53499, 77826, 106998, 114341, 124831, 228682, 249662, 343023, 374493, 686046, 748986, 800387, 1600774, 1943797, 2401161, 3887594, 4802322, 5831391, 11662782, 13606579, 27213158, 40819737, 81639474]

約数ペア:

[(1, 81639474), (2, 40819737), (3, 27213158), (6, 13606579), (7, 11662782), (14, 5831391), (17, 4802322), (21, 3887594), (34, 2401161), (42, 1943797), (51, 1600774), (102, 800387), (109, 748986), (119, 686046), (218, 374493), (238, 343023), (327, 249662), (357, 228682), (654, 124831), (714, 114341), (763, 106998), (1049, 77826), (1526, 53499), (1853, 44058), (2098, 38913), (2289, 35666), (3147, 25942), (3706, 22029), (4578, 17833), (5559, 14686), (6294, 12971), (7343, 11118)]