645780544

素因数分解:

$2^6\times {\mathrm{631}}^1\times {\mathrm{15991}}^1$

素因数の和:16634

約数の個数: 28

約数和(自身を含む): 1283581888

約数和(自身を除く): 637801344

約数列:

[1, 2, 4, 8, 16, 32, 64, 631, 1262, 2524, 5048, 10096, 15991, 20192, 31982, 40384, 63964, 127928, 255856, 511712, 1023424, 10090321, 20180642, 40361284, 80722568, 161445136, 322890272, 645780544]

約数ペア:

[(1, 645780544), (2, 322890272), (4, 161445136), (8, 80722568), (16, 40361284), (32, 20180642), (64, 10090321), (631, 1023424), (1262, 511712), (2524, 255856), (5048, 127928), (10096, 63964), (15991, 40384), (20192, 31982)]