168659618

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1993}}^1$

素因数の和:2162

約数の個数: 32

約数和(自身を含む): 284264640

約数和(自身を除く): 115605022

約数列:

[1, 2, 17, 19, 34, 38, 131, 262, 323, 646, 1993, 2227, 2489, 3986, 4454, 4978, 33881, 37867, 42313, 67762, 75734, 84626, 261083, 522166, 643739, 1287478, 4438411, 4960577, 8876822, 9921154, 84329809, 168659618]

約数ペア:

[(1, 168659618), (2, 84329809), (17, 9921154), (19, 8876822), (34, 4960577), (38, 4438411), (131, 1287478), (262, 643739), (323, 522166), (646, 261083), (1993, 84626), (2227, 75734), (2489, 67762), (3986, 42313), (4454, 37867), (4978, 33881)]