400642268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1019}}^1\times {\mathrm{7561}}^1$

素因数の和:8597

約数の個数: 24

約数和(自身を含む): 755897520

約数和(自身を除く): 355255252

約数列:

[1, 2, 4, 13, 26, 52, 1019, 2038, 4076, 7561, 13247, 15122, 26494, 30244, 52988, 98293, 196586, 393172, 7704659, 15409318, 30818636, 100160567, 200321134, 400642268]

約数ペア:

[(1, 400642268), (2, 200321134), (4, 100160567), (13, 30818636), (26, 15409318), (52, 7704659), (1019, 393172), (2038, 196586), (4076, 98293), (7561, 52988), (13247, 30244), (15122, 26494)]