203475415

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 296549568

約数和(自身を除く): 93074153

約数列:

[1, 5, 11, 13, 41, 55, 65, 121, 143, 205, 451, 533, 605, 631, 715, 1573, 2255, 2665, 3155, 4961, 5863, 6941, 7865, 8203, 24805, 25871, 29315, 34705, 41015, 64493, 76351, 90233, 129355, 284581, 322465, 336323, 381755, 451165, 992563, 1422905, 1681615, 3130391, 3699553, 4962815, 15651955, 18497765, 40695083, 203475415]

約数ペア:

[(1, 203475415), (5, 40695083), (11, 18497765), (13, 15651955), (41, 4962815), (55, 3699553), (65, 3130391), (121, 1681615), (143, 1422905), (205, 992563), (451, 451165), (533, 381755), (605, 336323), (631, 322465), (715, 284581), (1573, 129355), (2255, 90233), (2665, 76351), (3155, 64493), (4961, 41015), (5863, 34705), (6941, 29315), (7865, 25871), (8203, 24805)]