129919984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3761}}^1$

素因数の和:3913

約数の個数: 40

約数和(自身を含む): 268697088

約数和(自身を除く): 138777104

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 127, 136, 254, 272, 508, 1016, 2032, 2159, 3761, 4318, 7522, 8636, 15044, 17272, 30088, 34544, 60176, 63937, 127874, 255748, 477647, 511496, 955294, 1022992, 1910588, 3821176, 7642352, 8119999, 16239998, 32479996, 64959992, 129919984]

約数ペア:

[(1, 129919984), (2, 64959992), (4, 32479996), (8, 16239998), (16, 8119999), (17, 7642352), (34, 3821176), (68, 1910588), (127, 1022992), (136, 955294), (254, 511496), (272, 477647), (508, 255748), (1016, 127874), (2032, 63937), (2159, 60176), (3761, 34544), (4318, 30088), (7522, 17272), (8636, 15044)]