217944468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20113}}^1$

素因数の和:20173

約数の個数: 72

約数和(自身を含む): 644291648

約数和(自身を除く): 426347180

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 10836, 20113, 40226, 60339, 80452, 120678, 140791, 181017, 241356, 281582, 362034, 422373, 563164, 724068, 844746, 864859, 1267119, 1689492, 1729718, 2534238, 2594577, 3459436, 5068476, 5189154, 6054013, 7783731, 10378308, 12108026, 15567462, 18162039, 24216052, 31134924, 36324078, 54486117, 72648156, 108972234, 217944468]

約数ペア:

[(1, 217944468), (2, 108972234), (3, 72648156), (4, 54486117), (6, 36324078), (7, 31134924), (9, 24216052), (12, 18162039), (14, 15567462), (18, 12108026), (21, 10378308), (28, 7783731), (36, 6054013), (42, 5189154), (43, 5068476), (63, 3459436), (84, 2594577), (86, 2534238), (126, 1729718), (129, 1689492), (172, 1267119), (252, 864859), (258, 844746), (301, 724068), (387, 563164), (516, 422373), (602, 362034), (774, 281582), (903, 241356), (1204, 181017), (1548, 140791), (1806, 120678), (2709, 80452), (3612, 60339), (5418, 40226), (10836, 20113)]