28989610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1289}}^1$

素因数の和:1482

約数の個数: 32

約数和(自身を含む): 56563920

約数和(自身を除く): 27574310

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1289, 1730, 2249, 2578, 4498, 6445, 11245, 12890, 16757, 22490, 33514, 83785, 167570, 222997, 445994, 1114985, 2229970, 2898961, 5797922, 14494805, 28989610]

約数ペア:

[(1, 28989610), (2, 14494805), (5, 5797922), (10, 2898961), (13, 2229970), (26, 1114985), (65, 445994), (130, 222997), (173, 167570), (346, 83785), (865, 33514), (1289, 22490), (1730, 16757), (2249, 12890), (2578, 11245), (4498, 6445)]