28453970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{349}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 24768430

約数列:

[1, 2, 5, 10, 31, 62, 155, 263, 310, 349, 526, 698, 1315, 1745, 2630, 3490, 8153, 10819, 16306, 21638, 40765, 54095, 81530, 91787, 108190, 183574, 458935, 917870, 2845397, 5690794, 14226985, 28453970]

約数ペア:

[(1, 28453970), (2, 14226985), (5, 5690794), (10, 2845397), (31, 917870), (62, 458935), (155, 183574), (263, 108190), (310, 91787), (349, 81530), (526, 54095), (698, 40765), (1315, 21638), (1745, 16306), (2630, 10819), (3490, 8153)]