145478858

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7703}}^1$

素因数の和:7802

約数の個数: 32

約数和(自身を含む): 266250240

約数和(自身を除く): 120771382

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 7703, 9443, 15406, 18886, 53921, 107842, 146357, 292714, 546913, 1024499, 1093826, 2048998, 3828391, 7656782, 10391347, 20782694, 72739429, 145478858]

約数ペア:

[(1, 145478858), (2, 72739429), (7, 20782694), (14, 10391347), (19, 7656782), (38, 3828391), (71, 2048998), (133, 1093826), (142, 1024499), (266, 546913), (497, 292714), (994, 146357), (1349, 107842), (2698, 53921), (7703, 18886), (9443, 15406)]