128994496

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2467}}^1$

素因数の和:2541

約数の個数: 56

約数和(自身を含む): 275823680

約数和(自身を除く): 146829184

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 152, 172, 304, 344, 608, 688, 817, 1216, 1376, 1634, 2467, 2752, 3268, 4934, 6536, 9868, 13072, 19736, 26144, 39472, 46873, 52288, 78944, 93746, 106081, 157888, 187492, 212162, 374984, 424324, 749968, 848648, 1499936, 1697296, 2015539, 2999872, 3394592, 4031078, 6789184, 8062156, 16124312, 32248624, 64497248, 128994496]

約数ペア:

[(1, 128994496), (2, 64497248), (4, 32248624), (8, 16124312), (16, 8062156), (19, 6789184), (32, 4031078), (38, 3394592), (43, 2999872), (64, 2015539), (76, 1697296), (86, 1499936), (152, 848648), (172, 749968), (304, 424324), (344, 374984), (608, 212162), (688, 187492), (817, 157888), (1216, 106081), (1376, 93746), (1634, 78944), (2467, 52288), (2752, 46873), (3268, 39472), (4934, 26144), (6536, 19736), (9868, 13072)]