25130248

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 55804140

約数和(自身を除く): 30673892

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1573, 1997, 3146, 3994, 6292, 7988, 12584, 15976, 21967, 25961, 43934, 51922, 87868, 103844, 175736, 207688, 241637, 285571, 483274, 571142, 966548, 1142284, 1933096, 2284568, 3141281, 6282562, 12565124, 25130248]

約数ペア:

[(1, 25130248), (2, 12565124), (4, 6282562), (8, 3141281), (11, 2284568), (13, 1933096), (22, 1142284), (26, 966548), (44, 571142), (52, 483274), (88, 285571), (104, 241637), (121, 207688), (143, 175736), (242, 103844), (286, 87868), (484, 51922), (572, 43934), (968, 25961), (1144, 21967), (1573, 15976), (1997, 12584), (3146, 7988), (3994, 6292)]