215465744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1035893}}^1$

素因数の和:1035914

約数の個数: 20

約数和(自身を含む): 449577996

約数和(自身を除く): 234112252

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1035893, 2071786, 4143572, 8287144, 13466609, 16574288, 26933218, 53866436, 107732872, 215465744]

約数ペア:

[(1, 215465744), (2, 107732872), (4, 53866436), (8, 26933218), (13, 16574288), (16, 13466609), (26, 8287144), (52, 4143572), (104, 2071786), (208, 1035893)]