661737636

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{11467}}^1$

素因数の和:11713

約数の個数: 72

約数和(自身を含む): 1920201920

約数和(自身を除く): 1258464284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 229, 252, 458, 687, 916, 1374, 1603, 2061, 2748, 3206, 4122, 4809, 6412, 8244, 9618, 11467, 14427, 19236, 22934, 28854, 34401, 45868, 57708, 68802, 80269, 103203, 137604, 160538, 206406, 240807, 321076, 412812, 481614, 722421, 963228, 1444842, 2625943, 2889684, 5251886, 7877829, 10503772, 15755658, 18381601, 23633487, 31511316, 36763202, 47266974, 55144803, 73526404, 94533948, 110289606, 165434409, 220579212, 330868818, 661737636]

約数ペア:

[(1, 661737636), (2, 330868818), (3, 220579212), (4, 165434409), (6, 110289606), (7, 94533948), (9, 73526404), (12, 55144803), (14, 47266974), (18, 36763202), (21, 31511316), (28, 23633487), (36, 18381601), (42, 15755658), (63, 10503772), (84, 7877829), (126, 5251886), (229, 2889684), (252, 2625943), (458, 1444842), (687, 963228), (916, 722421), (1374, 481614), (1603, 412812), (2061, 321076), (2748, 240807), (3206, 206406), (4122, 160538), (4809, 137604), (6412, 103203), (8244, 80269), (9618, 68802), (11467, 57708), (14427, 45868), (19236, 34401), (22934, 28854)]