28640144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7247}}^1$

素因数の和:7287

約数の個数: 40

約数和(自身を含む): 62912640

約数和(自身を除く): 34272496

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 7247, 14494, 28988, 57976, 94211, 115952, 137693, 188422, 275386, 376844, 550772, 753688, 1101544, 1507376, 1790009, 2203088, 3580018, 7160036, 14320072, 28640144]

約数ペア:

[(1, 28640144), (2, 14320072), (4, 7160036), (8, 3580018), (13, 2203088), (16, 1790009), (19, 1507376), (26, 1101544), (38, 753688), (52, 550772), (76, 376844), (104, 275386), (152, 188422), (208, 137693), (247, 115952), (304, 94211), (494, 57976), (988, 28988), (1976, 14494), (3952, 7247)]