256091418

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{307}}^1\times {\mathrm{383}}^1$

素因数の和:720

約数の個数: 72

約数和(自身を含む): 613476864

約数和(自身を除く): 357385446

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 307, 363, 383, 614, 726, 766, 921, 1089, 1149, 1842, 2178, 2298, 2763, 3377, 3447, 4213, 5526, 6754, 6894, 8426, 10131, 12639, 20262, 25278, 30393, 37147, 37917, 46343, 60786, 74294, 75834, 92686, 111441, 117581, 139029, 222882, 235162, 278058, 334323, 352743, 417087, 668646, 705486, 834174, 1058229, 1293391, 2116458, 2586782, 3880173, 7760346, 11640519, 14227301, 23281038, 28454602, 42681903, 85363806, 128045709, 256091418]

約数ペア:

[(1, 256091418), (2, 128045709), (3, 85363806), (6, 42681903), (9, 28454602), (11, 23281038), (18, 14227301), (22, 11640519), (33, 7760346), (66, 3880173), (99, 2586782), (121, 2116458), (198, 1293391), (242, 1058229), (307, 834174), (363, 705486), (383, 668646), (614, 417087), (726, 352743), (766, 334323), (921, 278058), (1089, 235162), (1149, 222882), (1842, 139029), (2178, 117581), (2298, 111441), (2763, 92686), (3377, 75834), (3447, 74294), (4213, 60786), (5526, 46343), (6754, 37917), (6894, 37147), (8426, 30393), (10131, 25278), (12639, 20262)]