215528208

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{641453}}^1$

素因数の和:641471

約数の個数: 40

約数和(自身を含む): 636322368

約数和(自身を除く): 420794160

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 641453, 1282906, 1924359, 2565812, 3848718, 4490171, 5131624, 7697436, 8980342, 10263248, 13470513, 15394872, 17960684, 26941026, 30789744, 35921368, 53882052, 71842736, 107764104, 215528208]

約数ペア:

[(1, 215528208), (2, 107764104), (3, 71842736), (4, 53882052), (6, 35921368), (7, 30789744), (8, 26941026), (12, 17960684), (14, 15394872), (16, 13470513), (21, 10263248), (24, 8980342), (28, 7697436), (42, 5131624), (48, 4490171), (56, 3848718), (84, 2565812), (112, 1924359), (168, 1282906), (336, 641453)]