128428144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32497}}^1$

素因数の和:32537

約数の個数: 40

約数和(自身を含む): 282082640

約数和(自身を除く): 153654496

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 32497, 64994, 129988, 259976, 422461, 519952, 617443, 844922, 1234886, 1689844, 2469772, 3379688, 4939544, 6759376, 8026759, 9879088, 16053518, 32107036, 64214072, 128428144]

約数ペア:

[(1, 128428144), (2, 64214072), (4, 32107036), (8, 16053518), (13, 9879088), (16, 8026759), (19, 6759376), (26, 4939544), (38, 3379688), (52, 2469772), (76, 1689844), (104, 1234886), (152, 844922), (208, 617443), (247, 519952), (304, 422461), (494, 259976), (988, 129988), (1976, 64994), (3952, 32497)]