221405964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1419269}}^1$

素因数の和:1419289

約数の個数: 24

約数和(自身を含む): 556353840

約数和(自身を除く): 334947876

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1419269, 2838538, 4257807, 5677076, 8515614, 17031228, 18450497, 36900994, 55351491, 73801988, 110702982, 221405964]

約数ペア:

[(1, 221405964), (2, 110702982), (3, 73801988), (4, 55351491), (6, 36900994), (12, 18450497), (13, 17031228), (26, 8515614), (39, 5677076), (52, 4257807), (78, 2838538), (156, 1419269)]