254388255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 475891200

約数和(自身を除く): 221502945

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 89, 165, 187, 255, 267, 445, 561, 935, 979, 1019, 1335, 1513, 2805, 2937, 3057, 4539, 4895, 5095, 7565, 11209, 14685, 15285, 16643, 17323, 22695, 33627, 49929, 51969, 56045, 83215, 86615, 90691, 168135, 190553, 249645, 259845, 272073, 453455, 571659, 952765, 997601, 1360365, 1541747, 2858295, 2992803, 4625241, 4988005, 7708735, 14964015, 16959217, 23126205, 50877651, 84796085, 254388255]

約数ペア:

[(1, 254388255), (3, 84796085), (5, 50877651), (11, 23126205), (15, 16959217), (17, 14964015), (33, 7708735), (51, 4988005), (55, 4625241), (85, 2992803), (89, 2858295), (165, 1541747), (187, 1360365), (255, 997601), (267, 952765), (445, 571659), (561, 453455), (935, 272073), (979, 259845), (1019, 249645), (1335, 190553), (1513, 168135), (2805, 90691), (2937, 86615), (3057, 83215), (4539, 56045), (4895, 51969), (5095, 49929), (7565, 33627), (11209, 22695), (14685, 17323), (15285, 16643)]