28637336

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 66796800

約数和(自身を除く): 38159464

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 139, 182, 278, 283, 364, 556, 566, 728, 973, 1112, 1132, 1807, 1946, 1981, 2264, 3614, 3679, 3892, 3962, 7228, 7358, 7784, 7924, 12649, 14456, 14716, 15848, 25298, 25753, 29432, 39337, 50596, 51506, 78674, 101192, 103012, 157348, 206024, 275359, 314696, 511381, 550718, 1022762, 1101436, 2045524, 2202872, 3579667, 4091048, 7159334, 14318668, 28637336]

約数ペア:

[(1, 28637336), (2, 14318668), (4, 7159334), (7, 4091048), (8, 3579667), (13, 2202872), (14, 2045524), (26, 1101436), (28, 1022762), (52, 550718), (56, 511381), (91, 314696), (104, 275359), (139, 206024), (182, 157348), (278, 103012), (283, 101192), (364, 78674), (556, 51506), (566, 50596), (728, 39337), (973, 29432), (1112, 25753), (1132, 25298), (1807, 15848), (1946, 14716), (1981, 14456), (2264, 12649), (3614, 7924), (3679, 7784), (3892, 7358), (3962, 7228)]