2017256885

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^2$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 2973202560

約数和(自身を除く): 955945675

約数列:

[1, 5, 7, 19, 35, 61, 95, 133, 223, 305, 427, 665, 1115, 1159, 1561, 2135, 4237, 5795, 7805, 8113, 13603, 21185, 29659, 40565, 49729, 68015, 95221, 148295, 248645, 258457, 348103, 476105, 944851, 1292285, 1740515, 1809199, 3033469, 4724255, 6613957, 9045995, 15167345, 21234283, 33069785, 57635911, 106171415, 288179555, 403451377, 2017256885]

約数ペア:

[(1, 2017256885), (5, 403451377), (7, 288179555), (19, 106171415), (35, 57635911), (61, 33069785), (95, 21234283), (133, 15167345), (223, 9045995), (305, 6613957), (427, 4724255), (665, 3033469), (1115, 1809199), (1159, 1740515), (1561, 1292285), (2135, 944851), (4237, 476105), (5795, 348103), (7805, 258457), (8113, 248645), (13603, 148295), (21185, 95221), (29659, 68015), (40565, 49729)]