201328655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 294174720

約数和(自身を除く): 92846065

約数列:

[1, 5, 11, 19, 37, 41, 55, 95, 127, 185, 205, 209, 407, 451, 635, 703, 779, 1045, 1397, 1517, 2035, 2255, 2413, 3515, 3895, 4699, 5207, 6985, 7585, 7733, 8569, 12065, 16687, 23495, 26035, 26543, 28823, 38665, 42845, 51689, 57277, 83435, 89281, 98933, 132715, 144115, 192659, 258445, 286385, 317053, 446405, 494665, 963295, 982091, 1088263, 1585265, 2119249, 3660521, 4910455, 5441315, 10596245, 18302605, 40265731, 201328655]

約数ペア:

[(1, 201328655), (5, 40265731), (11, 18302605), (19, 10596245), (37, 5441315), (41, 4910455), (55, 3660521), (95, 2119249), (127, 1585265), (185, 1088263), (205, 982091), (209, 963295), (407, 494665), (451, 446405), (635, 317053), (703, 286385), (779, 258445), (1045, 192659), (1397, 144115), (1517, 132715), (2035, 98933), (2255, 89281), (2413, 83435), (3515, 57277), (3895, 51689), (4699, 42845), (5207, 38665), (6985, 28823), (7585, 26543), (7733, 26035), (8569, 23495), (12065, 16687)]