1640390017

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{563}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 2009825280

約数和(自身を除く): 369435263

約数列:

[1, 7, 29, 31, 203, 217, 463, 563, 899, 3241, 3941, 6293, 13427, 14353, 16327, 17453, 93989, 100471, 114289, 122171, 260669, 416237, 506137, 1824683, 2913659, 3542959, 7559401, 8080739, 52915807, 56565173, 234341431, 1640390017]

約数ペア:

[(1, 1640390017), (7, 234341431), (29, 56565173), (31, 52915807), (203, 8080739), (217, 7559401), (463, 3542959), (563, 2913659), (899, 1824683), (3241, 506137), (3941, 416237), (6293, 260669), (13427, 122171), (14353, 114289), (16327, 100471), (17453, 93989)]