197553587

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 252633600

約数和(自身を除く): 55080013

約数列:

[1, 7, 11, 67, 77, 149, 257, 469, 737, 1043, 1639, 1799, 2827, 5159, 9983, 11473, 17219, 19789, 38293, 69881, 109813, 120533, 189409, 268051, 421223, 768691, 1325863, 2565631, 2948561, 17959417, 28221941, 197553587]

約数ペア:

[(1, 197553587), (7, 28221941), (11, 17959417), (67, 2948561), (77, 2565631), (149, 1325863), (257, 768691), (469, 421223), (737, 268051), (1043, 189409), (1639, 120533), (1799, 109813), (2827, 69881), (5159, 38293), (9983, 19789), (11473, 17219)]