408312008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{809}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 865468800

約数和(自身を除く): 457156792

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 211, 299, 422, 598, 809, 844, 1196, 1618, 1688, 2392, 2743, 3236, 4853, 5486, 6472, 9706, 10517, 10972, 18607, 19412, 21034, 21944, 37214, 38824, 42068, 63089, 74428, 84136, 126178, 148856, 170699, 241891, 252356, 341398, 483782, 504712, 682796, 967564, 1365592, 1935128, 2219087, 3926077, 4438174, 7852154, 8876348, 15704308, 17752696, 31408616, 51039001, 102078002, 204156004, 408312008]

約数ペア:

[(1, 408312008), (2, 204156004), (4, 102078002), (8, 51039001), (13, 31408616), (23, 17752696), (26, 15704308), (46, 8876348), (52, 7852154), (92, 4438174), (104, 3926077), (184, 2219087), (211, 1935128), (299, 1365592), (422, 967564), (598, 682796), (809, 504712), (844, 483782), (1196, 341398), (1618, 252356), (1688, 241891), (2392, 170699), (2743, 148856), (3236, 126178), (4853, 84136), (5486, 74428), (6472, 63089), (9706, 42068), (10517, 38824), (10972, 37214), (18607, 21944), (19412, 21034)]