81050368

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1513

約数の個数: 72

約数和(自身を含む): 190991360

約数和(自身を除く): 109940992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1459, 1736, 1792, 1984, 2918, 3472, 3968, 5836, 6944, 7936, 10213, 11672, 13888, 20426, 23344, 27776, 40852, 45229, 46688, 55552, 81704, 90458, 93376, 163408, 180916, 186752, 316603, 326816, 361832, 373504, 633206, 653632, 723664, 1266412, 1307264, 1447328, 2532824, 2614528, 2894656, 5065648, 5789312, 10131296, 11578624, 20262592, 40525184, 81050368]

約数ペア:

[(1, 81050368), (2, 40525184), (4, 20262592), (7, 11578624), (8, 10131296), (14, 5789312), (16, 5065648), (28, 2894656), (31, 2614528), (32, 2532824), (56, 1447328), (62, 1307264), (64, 1266412), (112, 723664), (124, 653632), (128, 633206), (217, 373504), (224, 361832), (248, 326816), (256, 316603), (434, 186752), (448, 180916), (496, 163408), (868, 93376), (896, 90458), (992, 81704), (1459, 55552), (1736, 46688), (1792, 45229), (1984, 40852), (2918, 27776), (3472, 23344), (3968, 20426), (5836, 13888), (6944, 11672), (7936, 10213)]