215077712

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{138581}}^1$

素因数の和:138686

約数の個数: 20

約数和(自身を含む): 421012116

約数和(自身を除く): 205934404

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 138581, 277162, 554324, 1108648, 2217296, 13442357, 26884714, 53769428, 107538856, 215077712]

約数ペア:

[(1, 215077712), (2, 107538856), (4, 53769428), (8, 26884714), (16, 13442357), (97, 2217296), (194, 1108648), (388, 554324), (776, 277162), (1552, 138581)]