25091276

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 52426752

約数和(自身を除く): 27335476

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 137, 211, 217, 274, 422, 434, 548, 844, 868, 959, 1477, 1918, 2954, 3836, 4247, 5908, 6541, 8494, 13082, 16988, 26164, 28907, 29729, 45787, 57814, 59458, 91574, 115628, 118916, 183148, 202349, 404698, 809396, 896117, 1792234, 3584468, 6272819, 12545638, 25091276]

約数ペア:

[(1, 25091276), (2, 12545638), (4, 6272819), (7, 3584468), (14, 1792234), (28, 896117), (31, 809396), (62, 404698), (124, 202349), (137, 183148), (211, 118916), (217, 115628), (274, 91574), (422, 59458), (434, 57814), (548, 45787), (844, 29729), (868, 28907), (959, 26164), (1477, 16988), (1918, 13082), (2954, 8494), (3836, 6541), (4247, 5908)]