391664

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:297

約数の個数: 40

約数和(自身を含む): 937440

約数和(自身を除く): 545776

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 269, 364, 538, 728, 1076, 1456, 1883, 2152, 3497, 3766, 4304, 6994, 7532, 13988, 15064, 24479, 27976, 30128, 48958, 55952, 97916, 195832, 391664]

約数ペア:

[(1, 391664), (2, 195832), (4, 97916), (7, 55952), (8, 48958), (13, 30128), (14, 27976), (16, 24479), (26, 15064), (28, 13988), (52, 7532), (56, 6994), (91, 4304), (104, 3766), (112, 3497), (182, 2152), (208, 1883), (269, 1456), (364, 1076), (538, 728)]