81986716

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4201}}^1$

素因数の和:4270

約数の個数: 48

約数和(自身を含む): 177895872

約数和(自身を除く): 95909156

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 41, 68, 82, 119, 164, 238, 287, 476, 574, 697, 1148, 1394, 2788, 4201, 4879, 8402, 9758, 16804, 19516, 29407, 58814, 71417, 117628, 142834, 172241, 285668, 344482, 499919, 688964, 999838, 1205687, 1999676, 2411374, 2928097, 4822748, 5856194, 11712388, 20496679, 40993358, 81986716]

約数ペア:

[(1, 81986716), (2, 40993358), (4, 20496679), (7, 11712388), (14, 5856194), (17, 4822748), (28, 2928097), (34, 2411374), (41, 1999676), (68, 1205687), (82, 999838), (119, 688964), (164, 499919), (238, 344482), (287, 285668), (476, 172241), (574, 142834), (697, 117628), (1148, 71417), (1394, 58814), (2788, 29407), (4201, 19516), (4879, 16804), (8402, 9758)]