328804905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 668860416

約数和(自身を除く): 340055511

約数列:

[1, 3, 5, 11, 13, 15, 17, 33, 39, 51, 55, 65, 71, 85, 127, 143, 165, 187, 195, 213, 221, 255, 355, 381, 429, 561, 635, 663, 715, 781, 923, 935, 1065, 1105, 1207, 1397, 1651, 1905, 2145, 2159, 2343, 2431, 2769, 2805, 3315, 3621, 3905, 4191, 4615, 4953, 6035, 6477, 6985, 7293, 8255, 9017, 10153, 10795, 11715, 12155, 13277, 13845, 15691, 18105, 18161, 20955, 23749, 24765, 27051, 28067, 30459, 32385, 36465, 39831, 45085, 47073, 50765, 54483, 66385, 71247, 78455, 84201, 90805, 99187, 117221, 118745, 135255, 140335, 152295, 153289, 172601, 199155, 235365, 272415, 297561, 308737, 351663, 356235, 421005, 459867, 495935, 517803, 586105, 766445, 863005, 926211, 1289431, 1487805, 1543685, 1686179, 1758315, 1992757, 2299335, 2589015, 3868293, 4631055, 5058537, 5978271, 6447155, 8430895, 9963785, 19341465, 21920327, 25292685, 29891355, 65760981, 109601635, 328804905]

約数ペア:

[(1, 328804905), (3, 109601635), (5, 65760981), (11, 29891355), (13, 25292685), (15, 21920327), (17, 19341465), (33, 9963785), (39, 8430895), (51, 6447155), (55, 5978271), (65, 5058537), (71, 4631055), (85, 3868293), (127, 2589015), (143, 2299335), (165, 1992757), (187, 1758315), (195, 1686179), (213, 1543685), (221, 1487805), (255, 1289431), (355, 926211), (381, 863005), (429, 766445), (561, 586105), (635, 517803), (663, 495935), (715, 459867), (781, 421005), (923, 356235), (935, 351663), (1065, 308737), (1105, 297561), (1207, 272415), (1397, 235365), (1651, 199155), (1905, 172601), (2145, 153289), (2159, 152295), (2343, 140335), (2431, 135255), (2769, 118745), (2805, 117221), (3315, 99187), (3621, 90805), (3905, 84201), (4191, 78455), (4615, 71247), (4953, 66385), (6035, 54483), (6477, 50765), (6985, 47073), (7293, 45085), (8255, 39831), (9017, 36465), (10153, 32385), (10795, 30459), (11715, 28067), (12155, 27051), (13277, 24765), (13845, 23749), (15691, 20955), (18105, 18161)]