728021735

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{1049}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 1016064000

約数和(自身を除く): 288042265

約数列:

[1, 5, 7, 35, 79, 251, 395, 553, 1049, 1255, 1757, 2765, 5245, 7343, 8785, 19829, 36715, 82871, 99145, 138803, 263299, 414355, 580097, 694015, 1316495, 1843093, 2900485, 9215465, 20800621, 104003105, 145604347, 728021735]

約数ペア:

[(1, 728021735), (5, 145604347), (7, 104003105), (35, 20800621), (79, 9215465), (251, 2900485), (395, 1843093), (553, 1316495), (1049, 694015), (1255, 580097), (1757, 414355), (2765, 263299), (5245, 138803), (7343, 99145), (8785, 82871), (19829, 36715)]