628501472287

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 733000433184

約数和(自身を除く): 104498960897

約数列:

[1, 13, 23, 43, 157, 169, 299, 557, 559, 989, 1849, 2041, 3611, 3887, 6751, 7241, 7267, 12811, 12857, 23951, 24037, 26533, 42527, 46943, 87449, 87763, 94133, 155273, 166543, 167141, 290293, 311363, 312481, 550873, 552851, 610259, 1029893, 1136837, 1140919, 2011327, 2018549, 2165059, 3760307, 3773809, 4047719, 6676739, 7161349, 7187063, 13388609, 14778881, 23687539, 26147251, 26241137, 48883991, 49059517, 86487061, 86797607, 93097537, 161693201, 174051917, 307938007, 339914263, 635491883, 1124331793, 1128368891, 2102011613, 3718943623, 4003194091, 14616313309, 27326150969, 48346267099, 628501472287]

約数ペア:

[(1, 628501472287), (13, 48346267099), (23, 27326150969), (43, 14616313309), (157, 4003194091), (169, 3718943623), (299, 2102011613), (557, 1128368891), (559, 1124331793), (989, 635491883), (1849, 339914263), (2041, 307938007), (3611, 174051917), (3887, 161693201), (6751, 93097537), (7241, 86797607), (7267, 86487061), (12811, 49059517), (12857, 48883991), (23951, 26241137), (24037, 26147251), (26533, 23687539), (42527, 14778881), (46943, 13388609), (87449, 7187063), (87763, 7161349), (94133, 6676739), (155273, 4047719), (166543, 3773809), (167141, 3760307), (290293, 2165059), (311363, 2018549), (312481, 2011327), (550873, 1140919), (552851, 1136837), (610259, 1029893)]