991829524

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{3119}}^1$

素因数の和:3448

約数の個数: 48

約数和(自身を含む): 2040030720

約数和(自身を除く): 1048201196

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 277, 287, 554, 574, 1108, 1148, 1939, 3119, 3878, 6238, 7756, 11357, 12476, 21833, 22714, 43666, 45428, 79499, 87332, 127879, 158998, 255758, 317996, 511516, 863963, 895153, 1727926, 1790306, 3455852, 3580612, 6047741, 12095482, 24190964, 35422483, 70844966, 141689932, 247957381, 495914762, 991829524]

約数ペア:

[(1, 991829524), (2, 495914762), (4, 247957381), (7, 141689932), (14, 70844966), (28, 35422483), (41, 24190964), (82, 12095482), (164, 6047741), (277, 3580612), (287, 3455852), (554, 1790306), (574, 1727926), (1108, 895153), (1148, 863963), (1939, 511516), (3119, 317996), (3878, 255758), (6238, 158998), (7756, 127879), (11357, 87332), (12476, 79499), (21833, 45428), (22714, 43666)]