81231904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6299}}^1$

素因数の和:6353

約数の個数: 48

約数和(自身を含む): 177811200

約数和(自身を除く): 96579296

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6299, 6448, 12598, 12896, 25196, 50392, 81887, 100784, 163774, 195269, 201568, 327548, 390538, 655096, 781076, 1310192, 1562152, 2538497, 2620384, 3124304, 5076994, 6248608, 10153988, 20307976, 40615952, 81231904]

約数ペア:

[(1, 81231904), (2, 40615952), (4, 20307976), (8, 10153988), (13, 6248608), (16, 5076994), (26, 3124304), (31, 2620384), (32, 2538497), (52, 1562152), (62, 1310192), (104, 781076), (124, 655096), (208, 390538), (248, 327548), (403, 201568), (416, 195269), (496, 163774), (806, 100784), (992, 81887), (1612, 50392), (3224, 25196), (6299, 12896), (6448, 12598)]