237891996

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 618858240

約数和(自身を除く): 380966244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 239, 258, 387, 478, 516, 643, 717, 774, 956, 1286, 1434, 1548, 1929, 2151, 2572, 2868, 3858, 4302, 5787, 7716, 8604, 10277, 11574, 20554, 23148, 27649, 30831, 41108, 55298, 61662, 82947, 92493, 110596, 123324, 153677, 165894, 184986, 248841, 307354, 331788, 369972, 461031, 497682, 614708, 922062, 995364, 1383093, 1844124, 2766186, 5532372, 6608111, 13216222, 19824333, 26432444, 39648666, 59472999, 79297332, 118945998, 237891996]

約数ペア:

[(1, 237891996), (2, 118945998), (3, 79297332), (4, 59472999), (6, 39648666), (9, 26432444), (12, 19824333), (18, 13216222), (36, 6608111), (43, 5532372), (86, 2766186), (129, 1844124), (172, 1383093), (239, 995364), (258, 922062), (387, 614708), (478, 497682), (516, 461031), (643, 369972), (717, 331788), (774, 307354), (956, 248841), (1286, 184986), (1434, 165894), (1548, 153677), (1929, 123324), (2151, 110596), (2572, 92493), (2868, 82947), (3858, 61662), (4302, 55298), (5787, 41108), (7716, 30831), (8604, 27649), (10277, 23148), (11574, 20554)]