215524772

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 404017152

約数和(自身を除く): 188492380

約数列:

[1, 2, 4, 31, 43, 62, 83, 86, 124, 166, 172, 332, 487, 974, 1333, 1948, 2573, 2666, 3569, 5146, 5332, 7138, 10292, 14276, 15097, 20941, 30194, 40421, 41882, 60388, 80842, 83764, 110639, 161684, 221278, 442556, 649171, 1253051, 1298342, 1738103, 2506102, 2596684, 3476206, 5012204, 6952412, 53881193, 107762386, 215524772]

約数ペア:

[(1, 215524772), (2, 107762386), (4, 53881193), (31, 6952412), (43, 5012204), (62, 3476206), (83, 2596684), (86, 2506102), (124, 1738103), (166, 1298342), (172, 1253051), (332, 649171), (487, 442556), (974, 221278), (1333, 161684), (1948, 110639), (2573, 83764), (2666, 80842), (3569, 60388), (5146, 41882), (5332, 40421), (7138, 30194), (10292, 20941), (14276, 15097)]