12961026

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 31920000

約数和(自身を除く): 18958974

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 111, 117, 222, 234, 333, 351, 481, 499, 666, 702, 962, 998, 999, 1443, 1497, 1998, 2886, 2994, 4329, 4491, 6487, 8658, 8982, 12974, 12987, 13473, 18463, 19461, 25974, 26946, 36926, 38922, 55389, 58383, 110778, 116766, 166167, 175149, 240019, 332334, 350298, 480038, 498501, 720057, 997002, 1440114, 2160171, 4320342, 6480513, 12961026]

約数ペア:

[(1, 12961026), (2, 6480513), (3, 4320342), (6, 2160171), (9, 1440114), (13, 997002), (18, 720057), (26, 498501), (27, 480038), (37, 350298), (39, 332334), (54, 240019), (74, 175149), (78, 166167), (111, 116766), (117, 110778), (222, 58383), (234, 55389), (333, 38922), (351, 36926), (481, 26946), (499, 25974), (666, 19461), (702, 18463), (962, 13473), (998, 12987), (999, 12974), (1443, 8982), (1497, 8658), (1998, 6487), (2886, 4491), (2994, 4329)]