81151616

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6967}}^1$

素因数の和:7001

約数の個数: 64

約数和(自身を含む): 199006080

約数和(自身を除く): 117854464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 6967, 11648, 13934, 27868, 48769, 55736, 90571, 97538, 111472, 181142, 195076, 222944, 362284, 390152, 445888, 633997, 724568, 780304, 891776, 1267994, 1449136, 1560608, 2535988, 2898272, 3121216, 5071976, 5796544, 6242432, 10143952, 11593088, 20287904, 40575808, 81151616]

約数ペア:

[(1, 81151616), (2, 40575808), (4, 20287904), (7, 11593088), (8, 10143952), (13, 6242432), (14, 5796544), (16, 5071976), (26, 3121216), (28, 2898272), (32, 2535988), (52, 1560608), (56, 1449136), (64, 1267994), (91, 891776), (104, 780304), (112, 724568), (128, 633997), (182, 445888), (208, 390152), (224, 362284), (364, 222944), (416, 195076), (448, 181142), (728, 111472), (832, 97538), (896, 90571), (1456, 55736), (1664, 48769), (2912, 27868), (5824, 13934), (6967, 11648)]