2018035985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 3003678720

約数和(自身を除く): 985642735

約数列:

[1, 5, 7, 23, 31, 35, 115, 155, 161, 193, 217, 419, 713, 805, 965, 1085, 1351, 2095, 2933, 3565, 4439, 4991, 5983, 6755, 9637, 12989, 14665, 22195, 24955, 29915, 31073, 41881, 48185, 64945, 67459, 80867, 90923, 137609, 155365, 209405, 298747, 337295, 404335, 454615, 566069, 688045, 963263, 1493735, 1859941, 2091229, 2506877, 2830345, 4816315, 9299705, 10456145, 12534385, 13019587, 17548139, 57658171, 65097935, 87740695, 288290855, 403607197, 2018035985]

約数ペア:

[(1, 2018035985), (5, 403607197), (7, 288290855), (23, 87740695), (31, 65097935), (35, 57658171), (115, 17548139), (155, 13019587), (161, 12534385), (193, 10456145), (217, 9299705), (419, 4816315), (713, 2830345), (805, 2506877), (965, 2091229), (1085, 1859941), (1351, 1493735), (2095, 963263), (2933, 688045), (3565, 566069), (4439, 454615), (4991, 404335), (5983, 337295), (6755, 298747), (9637, 209405), (12989, 155365), (14665, 137609), (22195, 90923), (24955, 80867), (29915, 67459), (31073, 64945), (41881, 48185)]