28007964

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 76778240

約数和(自身を除く): 48770276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 43, 54, 74, 86, 108, 111, 129, 148, 163, 172, 222, 258, 326, 333, 387, 444, 489, 516, 652, 666, 774, 978, 999, 1161, 1332, 1467, 1548, 1591, 1956, 1998, 2322, 2934, 3182, 3996, 4401, 4644, 4773, 5868, 6031, 6364, 7009, 8802, 9546, 12062, 14018, 14319, 17604, 18093, 19092, 21027, 24124, 28036, 28638, 36186, 42054, 42957, 54279, 57276, 63081, 72372, 84108, 85914, 108558, 126162, 162837, 171828, 189243, 217116, 252324, 259333, 325674, 378486, 518666, 651348, 756972, 777999, 1037332, 1555998, 2333997, 3111996, 4667994, 7001991, 9335988, 14003982, 28007964]

約数ペア:

[(1, 28007964), (2, 14003982), (3, 9335988), (4, 7001991), (6, 4667994), (9, 3111996), (12, 2333997), (18, 1555998), (27, 1037332), (36, 777999), (37, 756972), (43, 651348), (54, 518666), (74, 378486), (86, 325674), (108, 259333), (111, 252324), (129, 217116), (148, 189243), (163, 171828), (172, 162837), (222, 126162), (258, 108558), (326, 85914), (333, 84108), (387, 72372), (444, 63081), (489, 57276), (516, 54279), (652, 42957), (666, 42054), (774, 36186), (978, 28638), (999, 28036), (1161, 24124), (1332, 21027), (1467, 19092), (1548, 18093), (1591, 17604), (1956, 14319), (1998, 14018), (2322, 12062), (2934, 9546), (3182, 8802), (3996, 7009), (4401, 6364), (4644, 6031), (4773, 5868)]