28921308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^3\times {\mathrm{1097}}^1$

素因数の和:1143

約数の個数: 48

約数和(自身を含む): 73170720

約数和(自身を除く): 44249412

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 1097, 2028, 2194, 2197, 3291, 4388, 4394, 6582, 6591, 8788, 13164, 13182, 14261, 26364, 28522, 42783, 57044, 85566, 171132, 185393, 370786, 556179, 741572, 1112358, 2224716, 2410109, 4820218, 7230327, 9640436, 14460654, 28921308]

約数ペア:

[(1, 28921308), (2, 14460654), (3, 9640436), (4, 7230327), (6, 4820218), (12, 2410109), (13, 2224716), (26, 1112358), (39, 741572), (52, 556179), (78, 370786), (156, 185393), (169, 171132), (338, 85566), (507, 57044), (676, 42783), (1014, 28522), (1097, 26364), (2028, 14261), (2194, 13182), (2197, 13164), (3291, 8788), (4388, 6591), (4394, 6582)]