42809004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{661}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 124339488

約数和(自身を除く): 81530484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 257, 514, 661, 771, 1028, 1322, 1542, 1799, 1983, 2313, 2644, 3084, 3598, 3966, 4626, 4627, 5397, 5949, 7196, 7932, 9252, 9254, 10794, 11898, 13881, 16191, 18508, 21588, 23796, 27762, 32382, 41643, 55524, 64764, 83286, 166572, 169877, 339754, 509631, 679508, 1019262, 1189139, 1528893, 2038524, 2378278, 3057786, 3567417, 4756556, 6115572, 7134834, 10702251, 14269668, 21404502, 42809004]

約数ペア:

[(1, 42809004), (2, 21404502), (3, 14269668), (4, 10702251), (6, 7134834), (7, 6115572), (9, 4756556), (12, 3567417), (14, 3057786), (18, 2378278), (21, 2038524), (28, 1528893), (36, 1189139), (42, 1019262), (63, 679508), (84, 509631), (126, 339754), (252, 169877), (257, 166572), (514, 83286), (661, 64764), (771, 55524), (1028, 41643), (1322, 32382), (1542, 27762), (1799, 23796), (1983, 21588), (2313, 18508), (2644, 16191), (3084, 13881), (3598, 11898), (3966, 10794), (4626, 9254), (4627, 9252), (5397, 7932), (5949, 7196)]