287992964

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{709}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 586857600

約数和(自身を除く): 298864636

約数列:

[1, 2, 4, 7, 14, 28, 89, 163, 178, 326, 356, 623, 652, 709, 1141, 1246, 1418, 2282, 2492, 2836, 4564, 4963, 9926, 14507, 19852, 29014, 58028, 63101, 101549, 115567, 126202, 203098, 231134, 252404, 406196, 441707, 462268, 808969, 883414, 1617938, 1766828, 3235876, 10285463, 20570926, 41141852, 71998241, 143996482, 287992964]

約数ペア:

[(1, 287992964), (2, 143996482), (4, 71998241), (7, 41141852), (14, 20570926), (28, 10285463), (89, 3235876), (163, 1766828), (178, 1617938), (326, 883414), (356, 808969), (623, 462268), (652, 441707), (709, 406196), (1141, 252404), (1246, 231134), (1418, 203098), (2282, 126202), (2492, 115567), (2836, 101549), (4564, 63101), (4963, 58028), (9926, 29014), (14507, 19852)]