211939952

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:898

約数の個数: 80

約数和(自身を含む): 500771520

約数和(自身を除く): 288831568

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 157, 238, 272, 314, 476, 628, 709, 952, 1099, 1256, 1418, 1904, 2198, 2512, 2669, 2836, 4396, 4963, 5338, 5672, 8792, 9926, 10676, 11344, 12053, 17584, 18683, 19852, 21352, 24106, 37366, 39704, 42704, 48212, 74732, 79408, 84371, 96424, 111313, 149464, 168742, 192848, 222626, 298928, 337484, 445252, 674968, 779191, 890504, 1349936, 1558382, 1781008, 1892321, 3116764, 3784642, 6233528, 7569284, 12467056, 13246247, 15138568, 26492494, 30277136, 52984988, 105969976, 211939952]

約数ペア:

[(1, 211939952), (2, 105969976), (4, 52984988), (7, 30277136), (8, 26492494), (14, 15138568), (16, 13246247), (17, 12467056), (28, 7569284), (34, 6233528), (56, 3784642), (68, 3116764), (112, 1892321), (119, 1781008), (136, 1558382), (157, 1349936), (238, 890504), (272, 779191), (314, 674968), (476, 445252), (628, 337484), (709, 298928), (952, 222626), (1099, 192848), (1256, 168742), (1418, 149464), (1904, 111313), (2198, 96424), (2512, 84371), (2669, 79408), (2836, 74732), (4396, 48212), (4963, 42704), (5338, 39704), (5672, 37366), (8792, 24106), (9926, 21352), (10676, 19852), (11344, 18683), (12053, 17584)]