81290118

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21269}}^1$

素因数の和:21301

約数の個数: 48

約数和(自身を含む): 203681520

約数和(自身を除く): 122391402

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 21269, 42538, 63807, 127614, 148883, 276497, 297766, 446649, 552994, 829491, 893298, 1042181, 1658982, 1935479, 2084362, 3126543, 3870958, 5806437, 6253086, 11612874, 13548353, 27096706, 40645059, 81290118]

約数ペア:

[(1, 81290118), (2, 40645059), (3, 27096706), (6, 13548353), (7, 11612874), (13, 6253086), (14, 5806437), (21, 3870958), (26, 3126543), (39, 2084362), (42, 1935479), (49, 1658982), (78, 1042181), (91, 893298), (98, 829491), (147, 552994), (182, 446649), (273, 297766), (294, 276497), (546, 148883), (637, 127614), (1274, 63807), (1911, 42538), (3822, 21269)]