321887488

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{311}}^2$

素因数の和:651

約数の個数: 54

約数和(自身を含む): 694174082

約数和(自身を除く): 372286594

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 311, 416, 622, 832, 1244, 1664, 2488, 3328, 4043, 4976, 8086, 9952, 16172, 19904, 32344, 39808, 64688, 79616, 96721, 129376, 193442, 258752, 386884, 517504, 773768, 1035008, 1257373, 1547536, 2514746, 3095072, 5029492, 6190144, 10058984, 12380288, 20117968, 24760576, 40235936, 80471872, 160943744, 321887488]

約数ペア:

[(1, 321887488), (2, 160943744), (4, 80471872), (8, 40235936), (13, 24760576), (16, 20117968), (26, 12380288), (32, 10058984), (52, 6190144), (64, 5029492), (104, 3095072), (128, 2514746), (208, 1547536), (256, 1257373), (311, 1035008), (416, 773768), (622, 517504), (832, 386884), (1244, 258752), (1664, 193442), (2488, 129376), (3328, 96721), (4043, 79616), (4976, 64688), (8086, 39808), (9952, 32344), (16172, 19904)]