73355425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 115117632

約数和(自身を除く): 41762207

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 71, 85, 143, 187, 221, 275, 289, 325, 355, 425, 715, 781, 923, 935, 1105, 1207, 1445, 1775, 2431, 3179, 3575, 3757, 3905, 4615, 4675, 5525, 6035, 7225, 10153, 12155, 13277, 15691, 15895, 18785, 19525, 20519, 23075, 30175, 41327, 50765, 60775, 66385, 78455, 79475, 93925, 102595, 172601, 206635, 225709, 253825, 266747, 331925, 392275, 512975, 863005, 1033175, 1128545, 1333735, 2934217, 4315025, 5642725, 6668675, 14671085, 73355425]

約数ペア:

[(1, 73355425), (5, 14671085), (11, 6668675), (13, 5642725), (17, 4315025), (25, 2934217), (55, 1333735), (65, 1128545), (71, 1033175), (85, 863005), (143, 512975), (187, 392275), (221, 331925), (275, 266747), (289, 253825), (325, 225709), (355, 206635), (425, 172601), (715, 102595), (781, 93925), (923, 79475), (935, 78455), (1105, 66385), (1207, 60775), (1445, 50765), (1775, 41327), (2431, 30175), (3179, 23075), (3575, 20519), (3757, 19525), (3905, 18785), (4615, 15895), (4675, 15691), (5525, 13277), (6035, 12155), (7225, 10153)]