161259644

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{461}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 359672544

約数和(自身を除く): 198412900

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 461, 806, 868, 922, 961, 1612, 1844, 1922, 2821, 3227, 3844, 5642, 5993, 6454, 6727, 11284, 11986, 12493, 12908, 13454, 14291, 23972, 24986, 26908, 28582, 41951, 49972, 57164, 83902, 87451, 100037, 167804, 174902, 185783, 200074, 349804, 371566, 400148, 443021, 743132, 886042, 1300481, 1772084, 2600962, 3101147, 5201924, 5759273, 6202294, 11518546, 12404588, 23037092, 40314911, 80629822, 161259644]

約数ペア:

[(1, 161259644), (2, 80629822), (4, 40314911), (7, 23037092), (13, 12404588), (14, 11518546), (26, 6202294), (28, 5759273), (31, 5201924), (52, 3101147), (62, 2600962), (91, 1772084), (124, 1300481), (182, 886042), (217, 743132), (364, 443021), (403, 400148), (434, 371566), (461, 349804), (806, 200074), (868, 185783), (922, 174902), (961, 167804), (1612, 100037), (1844, 87451), (1922, 83902), (2821, 57164), (3227, 49972), (3844, 41951), (5642, 28582), (5993, 26908), (6454, 24986), (6727, 23972), (11284, 14291), (11986, 13454), (12493, 12908)]