219740648

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{21611}}^1$

素因数の和:21689

約数の個数: 32

約数和(自身を含む): 435697920

約数和(自身を除く): 215957272

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 164, 248, 328, 1271, 2542, 5084, 10168, 21611, 43222, 86444, 172888, 669941, 886051, 1339882, 1772102, 2679764, 3544204, 5359528, 7088408, 27467581, 54935162, 109870324, 219740648]

約数ペア:

[(1, 219740648), (2, 109870324), (4, 54935162), (8, 27467581), (31, 7088408), (41, 5359528), (62, 3544204), (82, 2679764), (124, 1772102), (164, 1339882), (248, 886051), (328, 669941), (1271, 172888), (2542, 86444), (5084, 43222), (10168, 21611)]