164818948

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 351630720

約数和(自身を除く): 186811772

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 107, 116, 196, 203, 214, 271, 406, 428, 542, 749, 812, 1084, 1421, 1498, 1897, 2842, 2996, 3103, 3794, 5243, 5684, 6206, 7588, 7859, 10486, 12412, 13279, 15718, 20972, 21721, 26558, 28997, 31436, 43442, 53116, 55013, 57994, 86884, 110026, 115988, 152047, 202979, 220052, 304094, 385091, 405958, 608188, 770182, 811916, 840913, 1420853, 1540364, 1681826, 2841706, 3363652, 5683412, 5886391, 11772782, 23545564, 41204737, 82409474, 164818948]

約数ペア:

[(1, 164818948), (2, 82409474), (4, 41204737), (7, 23545564), (14, 11772782), (28, 5886391), (29, 5683412), (49, 3363652), (58, 2841706), (98, 1681826), (107, 1540364), (116, 1420853), (196, 840913), (203, 811916), (214, 770182), (271, 608188), (406, 405958), (428, 385091), (542, 304094), (749, 220052), (812, 202979), (1084, 152047), (1421, 115988), (1498, 110026), (1897, 86884), (2842, 57994), (2996, 55013), (3103, 53116), (3794, 43442), (5243, 31436), (5684, 28997), (6206, 26558), (7588, 21721), (7859, 20972), (10486, 15718), (12412, 13279)]