87942868

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 180774720

約数和(自身を除く): 92831852

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 164, 167, 169, 247, 334, 338, 494, 533, 668, 676, 779, 988, 1066, 1558, 2132, 2171, 3116, 3173, 3211, 4342, 6346, 6422, 6847, 6929, 8684, 10127, 12692, 12844, 13694, 13858, 20254, 27388, 27716, 28223, 40508, 41249, 56446, 82498, 89011, 112892, 130093, 131651, 164996, 178022, 260186, 263302, 356044, 520372, 526604, 536237, 1072474, 1157143, 1691209, 2144948, 2314286, 3382418, 4628572, 6764836, 21985717, 43971434, 87942868]

約数ペア:

[(1, 87942868), (2, 43971434), (4, 21985717), (13, 6764836), (19, 4628572), (26, 3382418), (38, 2314286), (41, 2144948), (52, 1691209), (76, 1157143), (82, 1072474), (164, 536237), (167, 526604), (169, 520372), (247, 356044), (334, 263302), (338, 260186), (494, 178022), (533, 164996), (668, 131651), (676, 130093), (779, 112892), (988, 89011), (1066, 82498), (1558, 56446), (2132, 41249), (2171, 40508), (3116, 28223), (3173, 27716), (3211, 27388), (4342, 20254), (6346, 13858), (6422, 13694), (6847, 12844), (6929, 12692), (8684, 10127)]