321911616

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128971}}^1$

素因数の和:128999

約数の個数: 56

約数和(自身を含む): 917248864

約数和(自身を除く): 595337248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 128971, 257942, 386913, 515884, 773826, 1031768, 1547652, 1676623, 2063536, 3095304, 3353246, 4127072, 5029869, 6190608, 6706492, 8254144, 10059738, 12381216, 13412984, 20119476, 24762432, 26825968, 40238952, 53651936, 80477904, 107303872, 160955808, 321911616]

約数ペア:

[(1, 321911616), (2, 160955808), (3, 107303872), (4, 80477904), (6, 53651936), (8, 40238952), (12, 26825968), (13, 24762432), (16, 20119476), (24, 13412984), (26, 12381216), (32, 10059738), (39, 8254144), (48, 6706492), (52, 6190608), (64, 5029869), (78, 4127072), (96, 3353246), (104, 3095304), (156, 2063536), (192, 1676623), (208, 1547652), (312, 1031768), (416, 773826), (624, 515884), (832, 386913), (1248, 257942), (2496, 128971)]