19965133055

素因数分解:

$5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{247691}}^1$

素因数の和:247764

約数の個数: 32

約数和(自身を含む): 28534118400

約数和(自身を除く): 8568985345

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 343, 1645, 1715, 2303, 11515, 16121, 80605, 247691, 1238455, 1733837, 8669185, 11641477, 12136859, 58207385, 60684295, 81490339, 84958013, 407451695, 424790065, 570432373, 2852161865, 3993026611, 19965133055]

約数ペア:

[(1, 19965133055), (5, 3993026611), (7, 2852161865), (35, 570432373), (47, 424790065), (49, 407451695), (235, 84958013), (245, 81490339), (329, 60684295), (343, 58207385), (1645, 12136859), (1715, 11641477), (2303, 8669185), (11515, 1733837), (16121, 1238455), (80605, 247691)]