621964

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 1262240

約数和(自身を除く): 640276

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 229, 388, 458, 679, 916, 1358, 1603, 2716, 3206, 6412, 22213, 44426, 88852, 155491, 310982, 621964]

約数ペア:

[(1, 621964), (2, 310982), (4, 155491), (7, 88852), (14, 44426), (28, 22213), (97, 6412), (194, 3206), (229, 2716), (388, 1603), (458, 1358), (679, 916)]