81198286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 142481808

約数和(自身を除く): 61283522

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 211, 247, 361, 422, 494, 533, 722, 779, 1066, 1558, 2743, 4009, 4693, 5486, 8018, 8651, 9386, 10127, 14801, 17302, 20254, 29602, 52117, 76171, 104234, 112463, 152342, 164369, 192413, 224926, 328738, 384826, 990223, 1980446, 2136797, 3123011, 4273594, 6246022, 40599143, 81198286]

約数ペア:

[(1, 81198286), (2, 40599143), (13, 6246022), (19, 4273594), (26, 3123011), (38, 2136797), (41, 1980446), (82, 990223), (211, 384826), (247, 328738), (361, 224926), (422, 192413), (494, 164369), (533, 152342), (722, 112463), (779, 104234), (1066, 76171), (1558, 52117), (2743, 29602), (4009, 20254), (4693, 17302), (5486, 14801), (8018, 10127), (8651, 9386)]