1230405956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 2422070784

約数和(自身を除く): 1191664828

約数列:

[1, 2, 4, 13, 26, 43, 52, 67, 86, 134, 172, 191, 268, 382, 559, 764, 871, 1118, 1742, 1849, 2236, 2483, 2881, 3484, 3698, 4966, 5762, 7396, 8213, 9932, 11524, 12797, 16426, 24037, 25594, 32852, 37453, 48074, 51188, 74906, 96148, 106769, 123883, 149812, 166361, 213538, 247766, 332722, 353159, 427076, 495532, 550271, 665444, 706318, 1100542, 1412636, 1610479, 2201084, 3220958, 4591067, 6441916, 7153523, 9182134, 14307046, 18364268, 23661653, 28614092, 47323306, 94646612, 307601489, 615202978, 1230405956]

約数ペア:

[(1, 1230405956), (2, 615202978), (4, 307601489), (13, 94646612), (26, 47323306), (43, 28614092), (52, 23661653), (67, 18364268), (86, 14307046), (134, 9182134), (172, 7153523), (191, 6441916), (268, 4591067), (382, 3220958), (559, 2201084), (764, 1610479), (871, 1412636), (1118, 1100542), (1742, 706318), (1849, 665444), (2236, 550271), (2483, 495532), (2881, 427076), (3484, 353159), (3698, 332722), (4966, 247766), (5762, 213538), (7396, 166361), (8213, 149812), (9932, 123883), (11524, 106769), (12797, 96148), (16426, 74906), (24037, 51188), (25594, 48074), (32852, 37453)]