1640041886

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1\times {\mathrm{6709}}^1$

素因数の和:7656

約数の個数: 32

約数和(自身を含む): 2963136000

約数和(自身を除く): 1323094114

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 919, 1838, 6433, 6709, 12866, 13418, 17461, 34922, 46963, 93926, 122227, 127471, 244454, 254942, 892297, 1784594, 6165571, 12331142, 43158997, 86317994, 117145849, 234291698, 820020943, 1640041886]

約数ペア:

[(1, 1640041886), (2, 820020943), (7, 234291698), (14, 117145849), (19, 86317994), (38, 43158997), (133, 12331142), (266, 6165571), (919, 1784594), (1838, 892297), (6433, 254942), (6709, 244454), (12866, 127471), (13418, 122227), (17461, 93926), (34922, 46963)]