4001408

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 8168160

約数和(自身を除く): 4166752

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 727, 1376, 1454, 2752, 2908, 5504, 5816, 11632, 23264, 31261, 46528, 62522, 93056, 125044, 250088, 500176, 1000352, 2000704, 4001408]

約数ペア:

[(1, 4001408), (2, 2000704), (4, 1000352), (8, 500176), (16, 250088), (32, 125044), (43, 93056), (64, 62522), (86, 46528), (128, 31261), (172, 23264), (344, 11632), (688, 5816), (727, 5504), (1376, 2908), (1454, 2752)]