31356624

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1676

約数の個数: 80

約数和(自身を含む): 90105344

約数和(自身を除く): 58748720

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 1621, 2418, 3224, 3242, 4836, 4863, 6448, 6484, 9672, 9726, 12968, 19344, 19452, 21073, 25936, 38904, 42146, 50251, 63219, 77808, 84292, 100502, 126438, 150753, 168584, 201004, 252876, 301506, 337168, 402008, 505752, 603012, 653263, 804016, 1011504, 1206024, 1306526, 1959789, 2412048, 2613052, 3919578, 5226104, 7839156, 10452208, 15678312, 31356624]

約数ペア:

[(1, 31356624), (2, 15678312), (3, 10452208), (4, 7839156), (6, 5226104), (8, 3919578), (12, 2613052), (13, 2412048), (16, 1959789), (24, 1306526), (26, 1206024), (31, 1011504), (39, 804016), (48, 653263), (52, 603012), (62, 505752), (78, 402008), (93, 337168), (104, 301506), (124, 252876), (156, 201004), (186, 168584), (208, 150753), (248, 126438), (312, 100502), (372, 84292), (403, 77808), (496, 63219), (624, 50251), (744, 42146), (806, 38904), (1209, 25936), (1488, 21073), (1612, 19452), (1621, 19344), (2418, 12968), (3224, 9726), (3242, 9672), (4836, 6484), (4863, 6448)]