661900548

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1061

約数の個数: 72

約数和(自身を含む): 1625951712

約数和(自身を除く): 964051164

約数列:

[1, 2, 3, 4, 6, 12, 37, 43, 74, 86, 111, 129, 148, 172, 222, 258, 444, 516, 937, 1369, 1591, 1874, 2738, 2811, 3182, 3748, 4107, 4773, 5476, 5622, 6364, 8214, 9546, 11244, 16428, 19092, 34669, 40291, 58867, 69338, 80582, 104007, 117734, 120873, 138676, 161164, 176601, 208014, 235468, 241746, 353202, 416028, 483492, 706404, 1282753, 1490767, 2565506, 2981534, 3848259, 4472301, 5131012, 5963068, 7696518, 8944602, 15393036, 17889204, 55158379, 110316758, 165475137, 220633516, 330950274, 661900548]

約数ペア:

[(1, 661900548), (2, 330950274), (3, 220633516), (4, 165475137), (6, 110316758), (12, 55158379), (37, 17889204), (43, 15393036), (74, 8944602), (86, 7696518), (111, 5963068), (129, 5131012), (148, 4472301), (172, 3848259), (222, 2981534), (258, 2565506), (444, 1490767), (516, 1282753), (937, 706404), (1369, 483492), (1591, 416028), (1874, 353202), (2738, 241746), (2811, 235468), (3182, 208014), (3748, 176601), (4107, 161164), (4773, 138676), (5476, 120873), (5622, 117734), (6364, 104007), (8214, 80582), (9546, 69338), (11244, 58867), (16428, 40291), (19092, 34669)]