221936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:129

約数の個数: 40

約数和(自身を含む): 510384

約数和(自身を除く): 288448

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 97, 104, 143, 176, 194, 208, 286, 388, 572, 776, 1067, 1144, 1261, 1552, 2134, 2288, 2522, 4268, 5044, 8536, 10088, 13871, 17072, 20176, 27742, 55484, 110968, 221936]

約数ペア:

[(1, 221936), (2, 110968), (4, 55484), (8, 27742), (11, 20176), (13, 17072), (16, 13871), (22, 10088), (26, 8536), (44, 5044), (52, 4268), (88, 2522), (97, 2288), (104, 2134), (143, 1552), (176, 1261), (194, 1144), (208, 1067), (286, 776), (388, 572)]