211177270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{8623}}^1$

素因数の和:8740

約数の個数: 32

約数和(自身を含む): 397393920

約数和(自身を除く): 186216650

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 4898, 8623, 12245, 17246, 24490, 43115, 86230, 267313, 534626, 681217, 1336565, 1362434, 2673130, 3406085, 6812170, 21117727, 42235454, 105588635, 211177270]

約数ペア:

[(1, 211177270), (2, 105588635), (5, 42235454), (10, 21117727), (31, 6812170), (62, 3406085), (79, 2673130), (155, 1362434), (158, 1336565), (310, 681217), (395, 534626), (790, 267313), (2449, 86230), (4898, 43115), (8623, 24490), (12245, 17246)]