221520272

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:791

約数の個数: 40

約数和(自身を含む): 434972160

約数和(自身を除く): 213451888

約数列:

[1, 2, 4, 8, 16, 173, 191, 346, 382, 419, 692, 764, 838, 1384, 1528, 1676, 2768, 3056, 3352, 6704, 33043, 66086, 72487, 80029, 132172, 144974, 160058, 264344, 289948, 320116, 528688, 579896, 640232, 1159792, 1280464, 13845017, 27690034, 55380068, 110760136, 221520272]

約数ペア:

[(1, 221520272), (2, 110760136), (4, 55380068), (8, 27690034), (16, 13845017), (173, 1280464), (191, 1159792), (346, 640232), (382, 579896), (419, 528688), (692, 320116), (764, 289948), (838, 264344), (1384, 160058), (1528, 144974), (1676, 132172), (2768, 80029), (3056, 72487), (3352, 66086), (6704, 33043)]