217963356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3467}}^1$

素因数の和:3531

約数の個数: 72

約数和(自身を含む): 568641024

約数和(自身を除く): 350677668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 507, 676, 806, 1014, 1209, 1612, 2028, 2418, 3467, 4836, 5239, 6934, 10401, 10478, 13868, 15717, 20802, 20956, 31434, 41604, 45071, 62868, 90142, 107477, 135213, 180284, 214954, 270426, 322431, 429908, 540852, 585923, 644862, 1171846, 1289724, 1397201, 1757769, 2343692, 2794402, 3515538, 4191603, 5588804, 7031076, 8383206, 16766412, 18163613, 36327226, 54490839, 72654452, 108981678, 217963356]

約数ペア:

[(1, 217963356), (2, 108981678), (3, 72654452), (4, 54490839), (6, 36327226), (12, 18163613), (13, 16766412), (26, 8383206), (31, 7031076), (39, 5588804), (52, 4191603), (62, 3515538), (78, 2794402), (93, 2343692), (124, 1757769), (156, 1397201), (169, 1289724), (186, 1171846), (338, 644862), (372, 585923), (403, 540852), (507, 429908), (676, 322431), (806, 270426), (1014, 214954), (1209, 180284), (1612, 135213), (2028, 107477), (2418, 90142), (3467, 62868), (4836, 45071), (5239, 41604), (6934, 31434), (10401, 20956), (10478, 20802), (13868, 15717)]