393174925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 581212800

約数和(自身を除く): 188037875

約数列:

[1, 5, 11, 13, 25, 55, 65, 71, 143, 275, 325, 355, 715, 781, 923, 1549, 1775, 3575, 3905, 4615, 7745, 10153, 17039, 19525, 20137, 23075, 38725, 50765, 85195, 100685, 109979, 221507, 253825, 425975, 503425, 549895, 1107535, 1209769, 1429727, 2749475, 5537675, 6048845, 7148635, 15726997, 30244225, 35743175, 78634985, 393174925]

約数ペア:

[(1, 393174925), (5, 78634985), (11, 35743175), (13, 30244225), (25, 15726997), (55, 7148635), (65, 6048845), (71, 5537675), (143, 2749475), (275, 1429727), (325, 1209769), (355, 1107535), (715, 549895), (781, 503425), (923, 425975), (1549, 253825), (1775, 221507), (3575, 109979), (3905, 100685), (4615, 85195), (7745, 50765), (10153, 38725), (17039, 23075), (19525, 20137)]