78988496

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{977}}^1$

素因数の和:1179

約数の個数: 40

約数和(自身を含む): 159108864

約数和(自身を除く): 80120368

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 163, 248, 326, 496, 652, 977, 1304, 1954, 2608, 3908, 5053, 7816, 10106, 15632, 20212, 30287, 40424, 60574, 80848, 121148, 159251, 242296, 318502, 484592, 637004, 1274008, 2548016, 4936781, 9873562, 19747124, 39494248, 78988496]

約数ペア:

[(1, 78988496), (2, 39494248), (4, 19747124), (8, 9873562), (16, 4936781), (31, 2548016), (62, 1274008), (124, 637004), (163, 484592), (248, 318502), (326, 242296), (496, 159251), (652, 121148), (977, 80848), (1304, 60574), (1954, 40424), (2608, 30287), (3908, 20212), (5053, 15632), (7816, 10106)]