81569344

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:731

約数の個数: 56

約数和(自身を含む): 170078400

約数和(自身を除く): 88509056

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 71, 116, 142, 232, 284, 464, 568, 619, 928, 1136, 1238, 1856, 2059, 2272, 2476, 4118, 4544, 4952, 8236, 9904, 16472, 17951, 19808, 32944, 35902, 39616, 43949, 65888, 71804, 87898, 131776, 143608, 175796, 287216, 351592, 574432, 703184, 1148864, 1274521, 1406368, 2549042, 2812736, 5098084, 10196168, 20392336, 40784672, 81569344]

約数ペア:

[(1, 81569344), (2, 40784672), (4, 20392336), (8, 10196168), (16, 5098084), (29, 2812736), (32, 2549042), (58, 1406368), (64, 1274521), (71, 1148864), (116, 703184), (142, 574432), (232, 351592), (284, 287216), (464, 175796), (568, 143608), (619, 131776), (928, 87898), (1136, 71804), (1238, 65888), (1856, 43949), (2059, 39616), (2272, 35902), (2476, 32944), (4118, 19808), (4544, 17951), (4952, 16472), (8236, 9904)]