161881636

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1453}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 340026624

約数和(自身を除く): 178144988

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 173, 322, 346, 644, 692, 1211, 1453, 2422, 2906, 3979, 4844, 5812, 7958, 10171, 15916, 20342, 27853, 33419, 40684, 55706, 66838, 111412, 133676, 233933, 251369, 467866, 502738, 935732, 1005476, 1759583, 3519166, 5781487, 7038332, 11562974, 23125948, 40470409, 80940818, 161881636]

約数ペア:

[(1, 161881636), (2, 80940818), (4, 40470409), (7, 23125948), (14, 11562974), (23, 7038332), (28, 5781487), (46, 3519166), (92, 1759583), (161, 1005476), (173, 935732), (322, 502738), (346, 467866), (644, 251369), (692, 233933), (1211, 133676), (1453, 111412), (2422, 66838), (2906, 55706), (3979, 40684), (4844, 33419), (5812, 27853), (7958, 20342), (10171, 15916)]