221518596

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{3389}}^1$

素因数の和:3828

約数の個数: 48

約数和(自身を含む): 558129600

約数和(自身を除く): 336611004

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 419, 838, 1257, 1676, 2514, 3389, 5028, 5447, 6778, 10167, 10894, 13556, 16341, 20334, 21788, 32682, 40668, 44057, 65364, 88114, 132171, 176228, 264342, 528684, 1419991, 2839982, 4259973, 5679964, 8519946, 17039892, 18459883, 36919766, 55379649, 73839532, 110759298, 221518596]

約数ペア:

[(1, 221518596), (2, 110759298), (3, 73839532), (4, 55379649), (6, 36919766), (12, 18459883), (13, 17039892), (26, 8519946), (39, 5679964), (52, 4259973), (78, 2839982), (156, 1419991), (419, 528684), (838, 264342), (1257, 176228), (1676, 132171), (2514, 88114), (3389, 65364), (5028, 44057), (5447, 40668), (6778, 32682), (10167, 21788), (10894, 20334), (13556, 16341)]