831770128

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{140123}}^1$

素因数の和:140191

約数の個数: 40

約数和(自身を含む): 1876540608

約数和(自身を除く): 1044770480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 5936, 140123, 280246, 560492, 980861, 1120984, 1961722, 2241968, 3923444, 7426519, 7846888, 14853038, 15693776, 29706076, 51985633, 59412152, 103971266, 118824304, 207942532, 415885064, 831770128]

約数ペア:

[(1, 831770128), (2, 415885064), (4, 207942532), (7, 118824304), (8, 103971266), (14, 59412152), (16, 51985633), (28, 29706076), (53, 15693776), (56, 14853038), (106, 7846888), (112, 7426519), (212, 3923444), (371, 2241968), (424, 1961722), (742, 1120984), (848, 980861), (1484, 560492), (2968, 280246), (5936, 140123)]