49991565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 92252160

約数和(自身を除く): 42260595

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 103, 131, 195, 247, 285, 309, 393, 515, 655, 741, 1235, 1339, 1545, 1703, 1957, 1965, 2489, 3705, 4017, 5109, 5871, 6695, 7467, 8515, 9785, 12445, 13493, 20085, 25441, 25545, 29355, 32357, 37335, 40479, 67465, 76323, 97071, 127205, 161785, 175409, 202395, 256367, 381615, 485355, 526227, 769101, 877045, 1281835, 2631135, 3332771, 3845505, 9998313, 16663855, 49991565]

約数ペア:

[(1, 49991565), (3, 16663855), (5, 9998313), (13, 3845505), (15, 3332771), (19, 2631135), (39, 1281835), (57, 877045), (65, 769101), (95, 526227), (103, 485355), (131, 381615), (195, 256367), (247, 202395), (285, 175409), (309, 161785), (393, 127205), (515, 97071), (655, 76323), (741, 67465), (1235, 40479), (1339, 37335), (1545, 32357), (1703, 29355), (1957, 25545), (1965, 25441), (2489, 20085), (3705, 13493), (4017, 12445), (5109, 9785), (5871, 8515), (6695, 7467)]