290433278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 466214400

約数和(自身を除く): 175781122

約数列:

[1, 2, 19, 38, 113, 226, 239, 283, 478, 566, 2147, 4294, 4541, 5377, 9082, 10754, 27007, 31979, 54014, 63958, 67637, 135274, 513133, 607601, 1026266, 1215202, 1285103, 2570206, 7642981, 15285962, 145216639, 290433278]

約数ペア:

[(1, 290433278), (2, 145216639), (19, 15285962), (38, 7642981), (113, 2570206), (226, 1285103), (239, 1215202), (283, 1026266), (478, 607601), (566, 513133), (2147, 135274), (4294, 67637), (4541, 63958), (5377, 54014), (9082, 31979), (10754, 27007)]