989309984

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{24517}}^1$

素因数の和:24637

約数の個数: 48

約数和(自身を含む): 2119237848

約数和(自身を除く): 1129927864

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 97, 104, 194, 208, 388, 416, 776, 1261, 1552, 2522, 3104, 5044, 10088, 20176, 24517, 40352, 49034, 98068, 196136, 318721, 392272, 637442, 784544, 1274884, 2378149, 2549768, 4756298, 5099536, 9512596, 10199072, 19025192, 30915937, 38050384, 61831874, 76100768, 123663748, 247327496, 494654992, 989309984]

約数ペア:

[(1, 989309984), (2, 494654992), (4, 247327496), (8, 123663748), (13, 76100768), (16, 61831874), (26, 38050384), (32, 30915937), (52, 19025192), (97, 10199072), (104, 9512596), (194, 5099536), (208, 4756298), (388, 2549768), (416, 2378149), (776, 1274884), (1261, 784544), (1552, 637442), (2522, 392272), (3104, 318721), (5044, 196136), (10088, 98068), (20176, 49034), (24517, 40352)]