198403415

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 299504640

約数和(自身を除く): 101101225

約数列:

[1, 5, 7, 19, 35, 61, 67, 73, 95, 133, 305, 335, 365, 427, 469, 511, 665, 1159, 1273, 1387, 2135, 2345, 2555, 4087, 4453, 4891, 5795, 6365, 6935, 8113, 8911, 9709, 20435, 22265, 24455, 28609, 31171, 34237, 40565, 44555, 48545, 77653, 84607, 92929, 143045, 155855, 171185, 298351, 388265, 423035, 464645, 543571, 592249, 650503, 1491755, 2088457, 2717855, 2961245, 3252515, 5668669, 10442285, 28343345, 39680683, 198403415]

約数ペア:

[(1, 198403415), (5, 39680683), (7, 28343345), (19, 10442285), (35, 5668669), (61, 3252515), (67, 2961245), (73, 2717855), (95, 2088457), (133, 1491755), (305, 650503), (335, 592249), (365, 543571), (427, 464645), (469, 423035), (511, 388265), (665, 298351), (1159, 171185), (1273, 155855), (1387, 143045), (2135, 92929), (2345, 84607), (2555, 77653), (4087, 48545), (4453, 44555), (4891, 40565), (5795, 34237), (6365, 31171), (6935, 28609), (8113, 24455), (8911, 22265), (9709, 20435)]