1681409584

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 3415674240

約数和(自身を除く): 1734264656

約数列:

[1, 2, 4, 8, 16, 47, 73, 94, 109, 146, 188, 218, 281, 292, 376, 436, 562, 584, 752, 872, 1124, 1168, 1744, 2248, 3431, 4496, 5123, 6862, 7957, 10246, 13207, 13724, 15914, 20492, 20513, 26414, 27448, 30629, 31828, 40984, 41026, 52828, 54896, 61258, 63656, 81968, 82052, 105656, 122516, 127312, 164104, 211312, 245032, 328208, 373979, 490064, 747958, 964111, 1439563, 1495916, 1928222, 2235917, 2879126, 2991832, 3856444, 4471834, 5758252, 5983664, 7712888, 8943668, 11516504, 15425776, 17887336, 23033008, 35774672, 105088099, 210176198, 420352396, 840704792, 1681409584]

約数ペア:

[(1, 1681409584), (2, 840704792), (4, 420352396), (8, 210176198), (16, 105088099), (47, 35774672), (73, 23033008), (94, 17887336), (109, 15425776), (146, 11516504), (188, 8943668), (218, 7712888), (281, 5983664), (292, 5758252), (376, 4471834), (436, 3856444), (562, 2991832), (584, 2879126), (752, 2235917), (872, 1928222), (1124, 1495916), (1168, 1439563), (1744, 964111), (2248, 747958), (3431, 490064), (4496, 373979), (5123, 328208), (6862, 245032), (7957, 211312), (10246, 164104), (13207, 127312), (13724, 122516), (15914, 105656), (20492, 82052), (20513, 81968), (26414, 63656), (27448, 61258), (30629, 54896), (31828, 52828), (40984, 41026)]