638452

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 1217160

約数和(自身を除く): 578708

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 229, 458, 697, 916, 1394, 2788, 3893, 7786, 9389, 15572, 18778, 37556, 159613, 319226, 638452]

約数ペア:

[(1, 638452), (2, 319226), (4, 159613), (17, 37556), (34, 18778), (41, 15572), (68, 9389), (82, 7786), (164, 3893), (229, 2788), (458, 1394), (697, 916)]