191421310

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 348522912

約数和(自身を除く): 157101602

約数列:

[1, 2, 5, 10, 211, 257, 353, 422, 514, 706, 1055, 1285, 1765, 2110, 2570, 3530, 54227, 74483, 90721, 108454, 148966, 181442, 271135, 372415, 453605, 542270, 744830, 907210, 19142131, 38284262, 95710655, 191421310]

約数ペア:

[(1, 191421310), (2, 95710655), (5, 38284262), (10, 19142131), (211, 907210), (257, 744830), (353, 542270), (422, 453605), (514, 372415), (706, 271135), (1055, 181442), (1285, 148966), (1765, 108454), (2110, 90721), (2570, 74483), (3530, 54227)]