247873535

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 381652992

約数和(自身を除く): 133779457

約数列:

[1, 5, 7, 13, 35, 47, 65, 67, 91, 173, 235, 329, 335, 455, 469, 611, 865, 871, 1211, 1645, 2249, 2345, 3055, 3149, 4277, 4355, 6055, 6097, 8131, 11245, 11591, 15743, 15745, 21385, 22043, 30485, 40655, 40937, 56917, 57955, 78715, 81137, 105703, 110215, 150683, 204685, 284585, 286559, 405685, 528515, 544777, 739921, 753415, 1054781, 1432795, 2723885, 3699605, 3813439, 5273905, 7082101, 19067195, 35410505, 49574707, 247873535]

約数ペア:

[(1, 247873535), (5, 49574707), (7, 35410505), (13, 19067195), (35, 7082101), (47, 5273905), (65, 3813439), (67, 3699605), (91, 2723885), (173, 1432795), (235, 1054781), (329, 753415), (335, 739921), (455, 544777), (469, 528515), (611, 405685), (865, 286559), (871, 284585), (1211, 204685), (1645, 150683), (2249, 110215), (2345, 105703), (3055, 81137), (3149, 78715), (4277, 57955), (4355, 56917), (6055, 40937), (6097, 40655), (8131, 30485), (11245, 22043), (11591, 21385), (15743, 15745)]