78077804

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2689}}^1$

素因数の和:2778

約数の個数: 48

約数和(自身を含む): 168114240

約数和(自身を除く): 90036436

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 61, 68, 119, 122, 238, 244, 427, 476, 854, 1037, 1708, 2074, 2689, 4148, 5378, 7259, 10756, 14518, 18823, 29036, 37646, 45713, 75292, 91426, 164029, 182852, 319991, 328058, 639982, 656116, 1148203, 1279964, 2296406, 2788493, 4592812, 5576986, 11153972, 19519451, 39038902, 78077804]

約数ペア:

[(1, 78077804), (2, 39038902), (4, 19519451), (7, 11153972), (14, 5576986), (17, 4592812), (28, 2788493), (34, 2296406), (61, 1279964), (68, 1148203), (119, 656116), (122, 639982), (238, 328058), (244, 319991), (427, 182852), (476, 164029), (854, 91426), (1037, 75292), (1708, 45713), (2074, 37646), (2689, 29036), (4148, 18823), (5378, 14518), (7259, 10756)]