28491728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 60

約数和(自身を含む): 60950340

約数和(自身を除く): 32458612

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 109, 124, 136, 218, 248, 272, 436, 496, 527, 872, 961, 1054, 1744, 1853, 1922, 2108, 3379, 3706, 3844, 4216, 6758, 7412, 7688, 8432, 13516, 14824, 15376, 16337, 27032, 29648, 32674, 54064, 57443, 65348, 104749, 114886, 130696, 209498, 229772, 261392, 418996, 459544, 837992, 919088, 1675984, 1780733, 3561466, 7122932, 14245864, 28491728]

約数ペア:

[(1, 28491728), (2, 14245864), (4, 7122932), (8, 3561466), (16, 1780733), (17, 1675984), (31, 919088), (34, 837992), (62, 459544), (68, 418996), (109, 261392), (124, 229772), (136, 209498), (218, 130696), (248, 114886), (272, 104749), (436, 65348), (496, 57443), (527, 54064), (872, 32674), (961, 29648), (1054, 27032), (1744, 16337), (1853, 15376), (1922, 14824), (2108, 13516), (3379, 8432), (3706, 7688), (3844, 7412), (4216, 6758)]