2128568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 4362960

約数和(自身を除く): 2234392

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 211, 388, 422, 776, 844, 1261, 1688, 2522, 2743, 5044, 5486, 10088, 10972, 20467, 21944, 40934, 81868, 163736, 266071, 532142, 1064284, 2128568]

約数ペア:

[(1, 2128568), (2, 1064284), (4, 532142), (8, 266071), (13, 163736), (26, 81868), (52, 40934), (97, 21944), (104, 20467), (194, 10972), (211, 10088), (388, 5486), (422, 5044), (776, 2743), (844, 2522), (1261, 1688)]