189770581

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 268531200

約数和(自身を除く): 78760619

約数列:

[1, 7, 11, 13, 49, 53, 73, 77, 91, 143, 343, 371, 511, 539, 583, 637, 689, 803, 949, 1001, 2597, 3577, 3773, 3869, 4081, 4459, 4823, 5621, 6643, 7007, 7579, 10439, 18179, 25039, 27083, 28567, 33761, 39347, 42559, 46501, 49049, 50297, 53053, 73073, 189581, 199969, 236327, 275429, 297913, 325507, 352079, 371371, 511511, 553267, 1327067, 2085391, 2464553, 2599597, 3580577, 3872869, 14597737, 17251871, 27110083, 189770581]

約数ペア:

[(1, 189770581), (7, 27110083), (11, 17251871), (13, 14597737), (49, 3872869), (53, 3580577), (73, 2599597), (77, 2464553), (91, 2085391), (143, 1327067), (343, 553267), (371, 511511), (511, 371371), (539, 352079), (583, 325507), (637, 297913), (689, 275429), (803, 236327), (949, 199969), (1001, 189581), (2597, 73073), (3577, 53053), (3773, 50297), (3869, 49049), (4081, 46501), (4459, 42559), (4823, 39347), (5621, 33761), (6643, 28567), (7007, 27083), (7579, 25039), (10439, 18179)]