81413696

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2036

約数の個数: 84

約数和(自身を含む): 202489308

約数和(自身を除く): 121075612

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 448, 637, 728, 784, 832, 1274, 1456, 1568, 1997, 2548, 2912, 3136, 3994, 5096, 5824, 7988, 10192, 13979, 15976, 20384, 25961, 27958, 31952, 40768, 51922, 55916, 63904, 97853, 103844, 111832, 127808, 181727, 195706, 207688, 223664, 363454, 391412, 415376, 447328, 726908, 782824, 830752, 894656, 1272089, 1453816, 1565648, 1661504, 2544178, 2907632, 3131296, 5088356, 5815264, 6262592, 10176712, 11630528, 20353424, 40706848, 81413696]

約数ペア:

[(1, 81413696), (2, 40706848), (4, 20353424), (7, 11630528), (8, 10176712), (13, 6262592), (14, 5815264), (16, 5088356), (26, 3131296), (28, 2907632), (32, 2544178), (49, 1661504), (52, 1565648), (56, 1453816), (64, 1272089), (91, 894656), (98, 830752), (104, 782824), (112, 726908), (182, 447328), (196, 415376), (208, 391412), (224, 363454), (364, 223664), (392, 207688), (416, 195706), (448, 181727), (637, 127808), (728, 111832), (784, 103844), (832, 97853), (1274, 63904), (1456, 55916), (1568, 51922), (1997, 40768), (2548, 31952), (2912, 27958), (3136, 25961), (3994, 20384), (5096, 15976), (5824, 13979), (7988, 10192)]