280185647

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 345246720

約数和(自身を除く): 65061073

約数列:

[1, 7, 19, 103, 113, 133, 181, 721, 791, 1267, 1957, 2147, 3439, 11639, 13699, 15029, 18643, 20453, 24073, 81473, 130501, 143171, 221141, 354217, 388607, 1547987, 2106659, 2479519, 2720249, 14746613, 40026521, 280185647]

約数ペア:

[(1, 280185647), (7, 40026521), (19, 14746613), (103, 2720249), (113, 2479519), (133, 2106659), (181, 1547987), (721, 388607), (791, 354217), (1267, 221141), (1957, 143171), (2147, 130501), (3439, 81473), (11639, 24073), (13699, 20453), (15029, 18643)]