128840256

素因数分解:

$2^6\times 3^2\times {\mathrm{223681}}^1$

素因数の和:223699

約数の個数: 42

約数和(自身を含む): 369298982

約数和(自身を除く): 240458726

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 223681, 447362, 671043, 894724, 1342086, 1789448, 2013129, 2684172, 3578896, 4026258, 5368344, 7157792, 8052516, 10736688, 14315584, 16105032, 21473376, 32210064, 42946752, 64420128, 128840256]

約数ペア:

[(1, 128840256), (2, 64420128), (3, 42946752), (4, 32210064), (6, 21473376), (8, 16105032), (9, 14315584), (12, 10736688), (16, 8052516), (18, 7157792), (24, 5368344), (32, 4026258), (36, 3578896), (48, 2684172), (64, 2013129), (72, 1789448), (96, 1342086), (144, 894724), (192, 671043), (288, 447362), (576, 223681)]