209566084

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 461323968

約数和(自身を除く): 251757884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 67, 91, 134, 169, 182, 268, 338, 364, 469, 661, 676, 871, 938, 1183, 1322, 1742, 1876, 2366, 2644, 3484, 4627, 4732, 6097, 8593, 9254, 11323, 12194, 17186, 18508, 22646, 24388, 34372, 44287, 45292, 60151, 79261, 88574, 111709, 120302, 158522, 177148, 223418, 240604, 310009, 317044, 446836, 575731, 620018, 781963, 1151462, 1240036, 1563926, 2302924, 3127852, 4030117, 7484503, 8060234, 14969006, 16120468, 29938012, 52391521, 104783042, 209566084]

約数ペア:

[(1, 209566084), (2, 104783042), (4, 52391521), (7, 29938012), (13, 16120468), (14, 14969006), (26, 8060234), (28, 7484503), (52, 4030117), (67, 3127852), (91, 2302924), (134, 1563926), (169, 1240036), (182, 1151462), (268, 781963), (338, 620018), (364, 575731), (469, 446836), (661, 317044), (676, 310009), (871, 240604), (938, 223418), (1183, 177148), (1322, 158522), (1742, 120302), (1876, 111709), (2366, 88574), (2644, 79261), (3484, 60151), (4627, 45292), (4732, 44287), (6097, 34372), (8593, 24388), (9254, 22646), (11323, 18508), (12194, 17186)]