221517296

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13831}}^1$

素因数の和:13870

約数の個数: 80

約数和(自身を含む): 576296448

約数和(自身を除く): 354779152

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 8008, 13831, 16016, 27662, 55324, 96817, 110648, 152141, 179803, 193634, 221296, 304282, 359606, 387268, 608564, 719212, 774536, 1064987, 1217128, 1258621, 1438424, 1549072, 1977833, 2129974, 2434256, 2517242, 2876848, 3955666, 4259948, 5034484, 7911332, 8519896, 10068968, 13844831, 15822664, 17039792, 20137936, 27689662, 31645328, 55379324, 110758648, 221517296]

約数ペア:

[(1, 221517296), (2, 110758648), (4, 55379324), (7, 31645328), (8, 27689662), (11, 20137936), (13, 17039792), (14, 15822664), (16, 13844831), (22, 10068968), (26, 8519896), (28, 7911332), (44, 5034484), (52, 4259948), (56, 3955666), (77, 2876848), (88, 2517242), (91, 2434256), (104, 2129974), (112, 1977833), (143, 1549072), (154, 1438424), (176, 1258621), (182, 1217128), (208, 1064987), (286, 774536), (308, 719212), (364, 608564), (572, 387268), (616, 359606), (728, 304282), (1001, 221296), (1144, 193634), (1232, 179803), (1456, 152141), (2002, 110648), (2288, 96817), (4004, 55324), (8008, 27662), (13831, 16016)]