89432878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 143700480

約数和(自身を除く): 54267602

約数列:

[1, 2, 23, 46, 71, 139, 142, 197, 278, 394, 1633, 3197, 3266, 4531, 6394, 9062, 9869, 13987, 19738, 27383, 27974, 54766, 226987, 321701, 453974, 629809, 643402, 1259618, 1944193, 3888386, 44716439, 89432878]

約数ペア:

[(1, 89432878), (2, 44716439), (23, 3888386), (46, 1944193), (71, 1259618), (139, 643402), (142, 629809), (197, 453974), (278, 321701), (394, 226987), (1633, 54766), (3197, 27974), (3266, 27383), (4531, 19738), (6394, 13987), (9062, 9869)]