28704364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 60328800

約数和(自身を除く): 31624436

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 1709, 3418, 4199, 6836, 8398, 16796, 22217, 29053, 32471, 44434, 58106, 64942, 88868, 116212, 129884, 377689, 422123, 552007, 755378, 844246, 1104014, 1510756, 1688492, 2208028, 7176091, 14352182, 28704364]

約数ペア:

[(1, 28704364), (2, 14352182), (4, 7176091), (13, 2208028), (17, 1688492), (19, 1510756), (26, 1104014), (34, 844246), (38, 755378), (52, 552007), (68, 422123), (76, 377689), (221, 129884), (247, 116212), (323, 88868), (442, 64942), (494, 58106), (646, 44434), (884, 32471), (988, 29053), (1292, 22217), (1709, 16796), (3418, 8398), (4199, 6836)]