989169328

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{284899}}^1$

素因数の和:284945

約数の個数: 40

約数和(自身を含む): 2260966400

約数和(自身を除く): 1271797072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 284899, 569798, 1139596, 1994293, 2279192, 3988586, 4558384, 7977172, 8831869, 15954344, 17663738, 31908688, 35327476, 61823083, 70654952, 123646166, 141309904, 247292332, 494584664, 989169328]

約数ペア:

[(1, 989169328), (2, 494584664), (4, 247292332), (7, 141309904), (8, 123646166), (14, 70654952), (16, 61823083), (28, 35327476), (31, 31908688), (56, 17663738), (62, 15954344), (112, 8831869), (124, 7977172), (217, 4558384), (248, 3988586), (434, 2279192), (496, 1994293), (868, 1139596), (1736, 569798), (3472, 284899)]