201661537

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 259743744

約数和(自身を除く): 58082207

約数列:

[1, 7, 11, 47, 77, 103, 329, 517, 541, 721, 1133, 3619, 3787, 4841, 5951, 7931, 25427, 33887, 41657, 53251, 55723, 177989, 279697, 372757, 390061, 612953, 1957879, 2618981, 4290671, 18332867, 28808791, 201661537]

約数ペア:

[(1, 201661537), (7, 28808791), (11, 18332867), (47, 4290671), (77, 2618981), (103, 1957879), (329, 612953), (517, 390061), (541, 372757), (721, 279697), (1133, 177989), (3619, 55723), (3787, 53251), (4841, 41657), (5951, 33887), (7931, 25427)]