81561088

素因数分解:

$2^9\times 7^2\times {\mathrm{3251}}^1$

素因数の和:3283

約数の個数: 60

約数和(自身を含む): 189627372

約数和(自身を除く): 108066284

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1568, 1792, 3136, 3251, 3584, 6272, 6502, 12544, 13004, 22757, 25088, 26008, 45514, 52016, 91028, 104032, 159299, 182056, 208064, 318598, 364112, 416128, 637196, 728224, 832256, 1274392, 1456448, 1664512, 2548784, 2912896, 5097568, 5825792, 10195136, 11651584, 20390272, 40780544, 81561088]

約数ペア:

[(1, 81561088), (2, 40780544), (4, 20390272), (7, 11651584), (8, 10195136), (14, 5825792), (16, 5097568), (28, 2912896), (32, 2548784), (49, 1664512), (56, 1456448), (64, 1274392), (98, 832256), (112, 728224), (128, 637196), (196, 416128), (224, 364112), (256, 318598), (392, 208064), (448, 182056), (512, 159299), (784, 104032), (896, 91028), (1568, 52016), (1792, 45514), (3136, 26008), (3251, 25088), (3584, 22757), (6272, 13004), (6502, 12544)]