87670724

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{421}}^1\times {\mathrm{659}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 155971200

約数和(自身を除く): 68300476

約数列:

[1, 2, 4, 79, 158, 316, 421, 659, 842, 1318, 1684, 2636, 33259, 52061, 66518, 104122, 133036, 208244, 277439, 554878, 1109756, 21917681, 43835362, 87670724]

約数ペア:

[(1, 87670724), (2, 43835362), (4, 21917681), (79, 1109756), (158, 554878), (316, 277439), (421, 208244), (659, 133036), (842, 104122), (1318, 66518), (1684, 52061), (2636, 33259)]