254998528

素因数分解:

$2^{11}\times {\mathrm{89}}^1\times {\mathrm{1399}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 515970000

約数和(自身を除く): 260971472

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 512, 712, 1024, 1399, 1424, 2048, 2798, 2848, 5596, 5696, 11192, 11392, 22384, 22784, 44768, 45568, 89536, 91136, 124511, 179072, 182272, 249022, 358144, 498044, 716288, 996088, 1432576, 1992176, 2865152, 3984352, 7968704, 15937408, 31874816, 63749632, 127499264, 254998528]

約数ペア:

[(1, 254998528), (2, 127499264), (4, 63749632), (8, 31874816), (16, 15937408), (32, 7968704), (64, 3984352), (89, 2865152), (128, 1992176), (178, 1432576), (256, 996088), (356, 716288), (512, 498044), (712, 358144), (1024, 249022), (1399, 182272), (1424, 179072), (2048, 124511), (2798, 91136), (2848, 89536), (5596, 45568), (5696, 44768), (11192, 22784), (11392, 22384)]