390435318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{238361}}^1$

素因数の和:238389

約数の個数: 48

約数和(自身を含む): 1041165216

約数和(自身を除く): 650729898

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 238361, 476722, 715083, 1430166, 1668527, 2145249, 3098693, 3337054, 4290498, 5005581, 6197386, 9296079, 10011162, 15016743, 18592158, 21690851, 27888237, 30033486, 43381702, 55776474, 65072553, 130145106, 195217659, 390435318]

約数ペア:

[(1, 390435318), (2, 195217659), (3, 130145106), (6, 65072553), (7, 55776474), (9, 43381702), (13, 30033486), (14, 27888237), (18, 21690851), (21, 18592158), (26, 15016743), (39, 10011162), (42, 9296079), (63, 6197386), (78, 5005581), (91, 4290498), (117, 3337054), (126, 3098693), (182, 2145249), (234, 1668527), (273, 1430166), (546, 715083), (819, 476722), (1638, 238361)]