257016876

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{15877}}^1$

素因数の和:15974

約数の個数: 48

約数和(自身を含む): 640200960

約数和(自身を除く): 383184084

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1349, 2698, 4047, 5396, 8094, 15877, 16188, 31754, 47631, 63508, 95262, 190524, 301663, 603326, 904989, 1127267, 1206652, 1809978, 2254534, 3381801, 3619956, 4509068, 6763602, 13527204, 21418073, 42836146, 64254219, 85672292, 128508438, 257016876]

約数ペア:

[(1, 257016876), (2, 128508438), (3, 85672292), (4, 64254219), (6, 42836146), (12, 21418073), (19, 13527204), (38, 6763602), (57, 4509068), (71, 3619956), (76, 3381801), (114, 2254534), (142, 1809978), (213, 1206652), (228, 1127267), (284, 904989), (426, 603326), (852, 301663), (1349, 190524), (2698, 95262), (4047, 63508), (5396, 47631), (8094, 31754), (15877, 16188)]